Home / 151,037,006.12-208,419,800.91-84,944,735.39

Finding the Fourth Proportional to 151,037,006.12, 208,419,800.91 and 84,944,735.39

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Solution

The fourth proportional to 151,037,006.12, 208,419,800.91 and 84,944,735.39 is: 117,217,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,037,006.12 : 208,419,800.91 = 84,944,735.39 : x
  2. Step 2: Convert to fraction form
    151,037,006.12/208,419,800.91 = 84,944,735.39/x
  3. Step 3: Cross multiply
    151,037,006.12x = 208,419,800.91 × 84,944,735.39
  4. Step 4: Simplify right side
    151,037,006.12x = 17,704,164,838,680,918
  5. Step 5: Solve for x
    x = 17,704,164,838,680,918/151,037,006.12
  6. Step 6: Final answer
    x = 117,217,397.87

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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.