Home / 103,438,365.28-155,195,382.04-48,132,577.17

Finding the Fourth Proportional to 103,438,365.28, 155,195,382.04 and 48,132,577.17

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Solution

The fourth proportional to 103,438,365.28, 155,195,382.04 and 48,132,577.17 is: 72,216,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,438,365.28 : 155,195,382.04 = 48,132,577.17 : x
  2. Step 2: Convert to fraction form
    103,438,365.28/155,195,382.04 = 48,132,577.17/x
  3. Step 3: Cross multiply
    103,438,365.28x = 155,195,382.04 × 48,132,577.17
  4. Step 4: Simplify right side
    103,438,365.28x = 7,469,953,702,347,601
  5. Step 5: Solve for x
    x = 7,469,953,702,347,601/103,438,365.28
  6. Step 6: Final answer
    x = 72,216,470.96

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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.