Home / 87,008,273.92-120,037,436.16-49,818,680.32

Finding the Fourth Proportional to 87,008,273.92, 120,037,436.16 and 49,818,680.32

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Solution

The fourth proportional to 87,008,273.92, 120,037,436.16 and 49,818,680.32 is: 68,730,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,008,273.92 : 120,037,436.16 = 49,818,680.32 : x
  2. Step 2: Convert to fraction form
    87,008,273.92/120,037,436.16 = 49,818,680.32/x
  3. Step 3: Cross multiply
    87,008,273.92x = 120,037,436.16 × 49,818,680.32
  4. Step 4: Simplify right side
    87,008,273.92x = 5,980,106,658,487,448
  5. Step 5: Solve for x
    x = 5,980,106,658,487,448/87,008,273.92
  6. Step 6: Final answer
    x = 68,730,321.72

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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.