Home / 91,359,390-137,074,952.28-40,205,525.84

Finding the Fourth Proportional to 91,359,390, 137,074,952.28 and 40,205,525.84

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Solution

The fourth proportional to 91,359,390, 137,074,952.28 and 40,205,525.84 is: 60,324,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,359,390 : 137,074,952.28 = 40,205,525.84 : x
  2. Step 2: Convert to fraction form
    91,359,390/137,074,952.28 = 40,205,525.84/x
  3. Step 3: Cross multiply
    91,359,390x = 137,074,952.28 × 40,205,525.84
  4. Step 4: Simplify right side
    91,359,390x = 5,511,170,535,910,307
  5. Step 5: Solve for x
    x = 5,511,170,535,910,307/91,359,390
  6. Step 6: Final answer
    x = 60,324,073.27

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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.