Home / 71,218,044.70-106,949,319.33-43,713,471.82

Finding the Fourth Proportional to 71,218,044.70, 106,949,319.33 and 43,713,471.82

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Solution

The fourth proportional to 71,218,044.70, 106,949,319.33 and 43,713,471.82 is: 65,645,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218,044.70 : 106,949,319.33 = 43,713,471.82 : x
  2. Step 2: Convert to fraction form
    71,218,044.70/106,949,319.33 = 43,713,471.82/x
  3. Step 3: Cross multiply
    71,218,044.70x = 106,949,319.33 × 43,713,471.82
  4. Step 4: Simplify right side
    71,218,044.70x = 4,675,126,056,700,136
  5. Step 5: Solve for x
    x = 4,675,126,056,700,136/71,218,044.70
  6. Step 6: Final answer
    x = 65,645,245.90

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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.