Home / 102,731,974.76-141,766,363.14-56,321,210.36

Finding the Fourth Proportional to 102,731,974.76, 141,766,363.14 and 56,321,210.36

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Solution

The fourth proportional to 102,731,974.76, 141,766,363.14 and 56,321,210.36 is: 77,721,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,731,974.76 : 141,766,363.14 = 56,321,210.36 : x
  2. Step 2: Convert to fraction form
    102,731,974.76/141,766,363.14 = 56,321,210.36/x
  3. Step 3: Cross multiply
    102,731,974.76x = 141,766,363.14 × 56,321,210.36
  4. Step 4: Simplify right side
    102,731,974.76x = 7,984,453,160,380,089
  5. Step 5: Solve for x
    x = 7,984,453,160,380,089/102,731,974.76
  6. Step 6: Final answer
    x = 77,721,207.82

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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.