Home / 91,377,043.92-137,107,422.42-39,577,489.56

Finding the Fourth Proportional to 91,377,043.92, 137,107,422.42 and 39,577,489.56

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Solution

The fourth proportional to 91,377,043.92, 137,107,422.42 and 39,577,489.56 is: 59,384,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,377,043.92 : 137,107,422.42 = 39,577,489.56 : x
  2. Step 2: Convert to fraction form
    91,377,043.92/137,107,422.42 = 39,577,489.56/x
  3. Step 3: Cross multiply
    91,377,043.92x = 137,107,422.42 × 39,577,489.56
  4. Step 4: Simplify right side
    91,377,043.92x = 5,426,367,579,426,060
  5. Step 5: Solve for x
    x = 5,426,367,579,426,060/91,377,043.92
  6. Step 6: Final answer
    x = 59,384,363.37

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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.