Home / 87,784,735.72-121,045,876.01-55,944,491.26

Finding the Fourth Proportional to 87,784,735.72, 121,045,876.01 and 55,944,491.26

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Solution

The fourth proportional to 87,784,735.72, 121,045,876.01 and 55,944,491.26 is: 77,141,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,784,735.72 : 121,045,876.01 = 55,944,491.26 : x
  2. Step 2: Convert to fraction form
    87,784,735.72/121,045,876.01 = 55,944,491.26/x
  3. Step 3: Cross multiply
    87,784,735.72x = 121,045,876.01 × 55,944,491.26
  4. Step 4: Simplify right side
    87,784,735.72x = 6,771,849,951,857,320
  5. Step 5: Solve for x
    x = 6,771,849,951,857,320/87,784,735.72
  6. Step 6: Final answer
    x = 77,141,542.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.