Home / 87,462,016.60-131,004,068.10-72,345,472.60

Finding the Fourth Proportional to 87,462,016.60, 131,004,068.10 and 72,345,472.60

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Solution

The fourth proportional to 87,462,016.60, 131,004,068.10 and 72,345,472.60 is: 108,361,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,462,016.60 : 131,004,068.10 = 72,345,472.60 : x
  2. Step 2: Convert to fraction form
    87,462,016.60/131,004,068.10 = 72,345,472.60/x
  3. Step 3: Cross multiply
    87,462,016.60x = 131,004,068.10 × 72,345,472.60
  4. Step 4: Simplify right side
    87,462,016.60x = 9,477,551,219,217,082
  5. Step 5: Solve for x
    x = 9,477,551,219,217,082/87,462,016.60
  6. Step 6: Final answer
    x = 108,361,910.55

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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.