Home / 147,451,382.40-221,318,791.20-74,750,253.60

Finding the Fourth Proportional to 147,451,382.40, 221,318,791.20 and 74,750,253.60

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Solution

The fourth proportional to 147,451,382.40, 221,318,791.20 and 74,750,253.60 is: 112,197,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,451,382.40 : 221,318,791.20 = 74,750,253.60 : x
  2. Step 2: Convert to fraction form
    147,451,382.40/221,318,791.20 = 74,750,253.60/x
  3. Step 3: Cross multiply
    147,451,382.40x = 221,318,791.20 × 74,750,253.60
  4. Step 4: Simplify right side
    147,451,382.40x = 16,543,635,768,645,446
  5. Step 5: Solve for x
    x = 16,543,635,768,645,446/147,451,382.40
  6. Step 6: Final answer
    x = 112,197,223.92

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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.