Home / 139,023,000.30-208,534,500.45-132,645,708.30

Finding the Fourth Proportional to 139,023,000.30, 208,534,500.45 and 132,645,708.30

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Solution

The fourth proportional to 139,023,000.30, 208,534,500.45 and 132,645,708.30 is: 198,968,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,023,000.30 : 208,534,500.45 = 132,645,708.30 : x
  2. Step 2: Convert to fraction form
    139,023,000.30/208,534,500.45 = 132,645,708.30/x
  3. Step 3: Cross multiply
    139,023,000.30x = 208,534,500.45 × 132,645,708.30
  4. Step 4: Simplify right side
    139,023,000.30x = 27,661,206,517,176,916
  5. Step 5: Solve for x
    x = 27,661,206,517,176,916/139,023,000.30
  6. Step 6: Final answer
    x = 198,968,562.45

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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.