Home / 139,752,129.20-209,817,150.60-88,733,793.20

Finding the Fourth Proportional to 139,752,129.20, 209,817,150.60 and 88,733,793.20

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Solution

The fourth proportional to 139,752,129.20, 209,817,150.60 and 88,733,793.20 is: 133,220,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,752,129.20 : 209,817,150.60 = 88,733,793.20 : x
  2. Step 2: Convert to fraction form
    139,752,129.20/209,817,150.60 = 88,733,793.20/x
  3. Step 3: Cross multiply
    139,752,129.20x = 209,817,150.60 × 88,733,793.20
  4. Step 4: Simplify right side
    139,752,129.20x = 18,617,871,651,153,656
  5. Step 5: Solve for x
    x = 18,617,871,651,153,656/139,752,129.20
  6. Step 6: Final answer
    x = 133,220,665.46

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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.