Home / 90,058,187.67-124,280,405.25-48,805,080.05

Finding the Fourth Proportional to 90,058,187.67, 124,280,405.25 and 48,805,080.05

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Solution

The fourth proportional to 90,058,187.67, 124,280,405.25 and 48,805,080.05 is: 67,351,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,058,187.67 : 124,280,405.25 = 48,805,080.05 : x
  2. Step 2: Convert to fraction form
    90,058,187.67/124,280,405.25 = 48,805,080.05/x
  3. Step 3: Cross multiply
    90,058,187.67x = 124,280,405.25 × 48,805,080.05
  4. Step 4: Simplify right side
    90,058,187.67x = 6,065,515,126,251,288
  5. Step 5: Solve for x
    x = 6,065,515,126,251,288/90,058,187.67
  6. Step 6: Final answer
    x = 67,351,068.05

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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.