Home / 138,874,965.68-208,352,897.04-62,180,057.76

Finding the Fourth Proportional to 138,874,965.68, 208,352,897.04 and 62,180,057.76

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Solution

The fourth proportional to 138,874,965.68, 208,352,897.04 and 62,180,057.76 is: 93,288,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,874,965.68 : 208,352,897.04 = 62,180,057.76 : x
  2. Step 2: Convert to fraction form
    138,874,965.68/208,352,897.04 = 62,180,057.76/x
  3. Step 3: Cross multiply
    138,874,965.68x = 208,352,897.04 × 62,180,057.76
  4. Step 4: Simplify right side
    138,874,965.68x = 12,955,395,172,410,532
  5. Step 5: Solve for x
    x = 12,955,395,172,410,532/138,874,965.68
  6. Step 6: Final answer
    x = 93,288,197.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.