Home / 80,847,422.20-121,276,382.10-42,583,670.20

Finding the Fourth Proportional to 80,847,422.20, 121,276,382.10 and 42,583,670.20

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Solution

The fourth proportional to 80,847,422.20, 121,276,382.10 and 42,583,670.20 is: 63,878,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,847,422.20 : 121,276,382.10 = 42,583,670.20 : x
  2. Step 2: Convert to fraction form
    80,847,422.20/121,276,382.10 = 42,583,670.20/x
  3. Step 3: Cross multiply
    80,847,422.20x = 121,276,382.10 × 42,583,670.20
  4. Step 4: Simplify right side
    80,847,422.20x = 5,164,393,458,395,584
  5. Step 5: Solve for x
    x = 5,164,393,458,395,584/80,847,422.20
  6. Step 6: Final answer
    x = 63,878,269.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.