Home / 102,732,229.76-141,766,712.88-56,321,467.52

Finding the Fourth Proportional to 102,732,229.76, 141,766,712.88 and 56,321,467.52

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Solution

The fourth proportional to 102,732,229.76, 141,766,712.88 and 56,321,467.52 is: 77,721,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,732,229.76 : 141,766,712.88 = 56,321,467.52 : x
  2. Step 2: Convert to fraction form
    102,732,229.76/141,766,712.88 = 56,321,467.52/x
  3. Step 3: Cross multiply
    102,732,229.76x = 141,766,712.88 × 56,321,467.52
  4. Step 4: Simplify right side
    102,732,229.76x = 7,984,509,314,888,086
  5. Step 5: Solve for x
    x = 7,984,509,314,888,086/102,732,229.76
  6. Step 6: Final answer
    x = 77,721,561.52

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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.