Home / 139,337,627.20-208,981,557.60-88,128,001.60

Finding the Fourth Proportional to 139,337,627.20, 208,981,557.60 and 88,128,001.60

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Solution

The fourth proportional to 139,337,627.20, 208,981,557.60 and 88,128,001.60 is: 132,176,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,337,627.20 : 208,981,557.60 = 88,128,001.60 : x
  2. Step 2: Convert to fraction form
    139,337,627.20/208,981,557.60 = 88,128,001.60/x
  3. Step 3: Cross multiply
    139,337,627.20x = 208,981,557.60 × 88,128,001.60
  4. Step 4: Simplify right side
    139,337,627.20x = 18,417,127,042,543,292
  5. Step 5: Solve for x
    x = 18,417,127,042,543,292/139,337,627.20
  6. Step 6: Final answer
    x = 132,176,264.32

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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.