Home / 90,101,137,583.23-124,339,692,994.11-48,901,517,989.16

Finding the Fourth Proportional to 90,101,137,583.23, 124,339,692,994.11 and 48,901,517,989.16

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Solution

The fourth proportional to 90,101,137,583.23, 124,339,692,994.11 and 48,901,517,989.16 is: 67,484,161,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,101,137,583.23 : 124,339,692,994.11 = 48,901,517,989.16 : x
  2. Step 2: Convert to fraction form
    90,101,137,583.23/124,339,692,994.11 = 48,901,517,989.16/x
  3. Step 3: Cross multiply
    90,101,137,583.23x = 124,339,692,994.11 × 48,901,517,989.16
  4. Step 4: Simplify right side
    90,101,137,583.23x = 6,080,399,733,718,102,573,056
  5. Step 5: Solve for x
    x = 6,080,399,733,718,102,573,056/90,101,137,583.23
  6. Step 6: Final answer
    x = 67,484,161,652.25

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Double scale
Find fourth proportional to 90,101,137,584.23, 124,339,692,995.49 and 48,901,517,990.16
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.