Home / 103,573,001.39-142,930,037.85-57,163,253.95

Finding the Fourth Proportional to 103,573,001.39, 142,930,037.85 and 57,163,253.95

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Solution

The fourth proportional to 103,573,001.39, 142,930,037.85 and 57,163,253.95 is: 78,884,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,573,001.39 : 142,930,037.85 = 57,163,253.95 : x
  2. Step 2: Convert to fraction form
    103,573,001.39/142,930,037.85 = 57,163,253.95/x
  3. Step 3: Cross multiply
    103,573,001.39x = 142,930,037.85 × 57,163,253.95
  4. Step 4: Simplify right side
    103,573,001.39x = 8,170,346,049,988,012
  5. Step 5: Solve for x
    x = 8,170,346,049,988,012/103,573,001.39
  6. Step 6: Final answer
    x = 78,884,901.86

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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.