Home / 87,786,770.49-131,146,224.12-56,829,151.26

Finding the Fourth Proportional to 87,786,770.49, 131,146,224.12 and 56,829,151.26

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Solution

The fourth proportional to 87,786,770.49, 131,146,224.12 and 56,829,151.26 is: 84,898,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,786,770.49 : 131,146,224.12 = 56,829,151.26 : x
  2. Step 2: Convert to fraction form
    87,786,770.49/131,146,224.12 = 56,829,151.26/x
  3. Step 3: Cross multiply
    87,786,770.49x = 131,146,224.12 × 56,829,151.26
  4. Step 4: Simplify right side
    87,786,770.49x = 7,452,928,607,693,340
  5. Step 5: Solve for x
    x = 7,452,928,607,693,340/87,786,770.49
  6. Step 6: Final answer
    x = 84,898,083.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.