Home / 91,337,423.25-125,923,709.02-72,561,305.33

Finding the Fourth Proportional to 91,337,423.25, 125,923,709.02 and 72,561,305.33

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Solution

The fourth proportional to 91,337,423.25, 125,923,709.02 and 72,561,305.33 is: 100,037,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,337,423.25 : 125,923,709.02 = 72,561,305.33 : x
  2. Step 2: Convert to fraction form
    91,337,423.25/125,923,709.02 = 72,561,305.33/x
  3. Step 3: Cross multiply
    91,337,423.25x = 125,923,709.02 × 72,561,305.33
  4. Step 4: Simplify right side
    91,337,423.25x = 9,137,188,697,493,870
  5. Step 5: Solve for x
    x = 9,137,188,697,493,870/91,337,423.25
  6. Step 6: Final answer
    x = 100,037,732.32

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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.