Home / 91,986,331.68-137,979,498-37,386,125.04

Finding the Fourth Proportional to 91,986,331.68, 137,979,498 and 37,386,125.04

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Solution

The fourth proportional to 91,986,331.68, 137,979,498 and 37,386,125.04 is: 56,079,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,986,331.68 : 137,979,498 = 37,386,125.04 : x
  2. Step 2: Convert to fraction form
    91,986,331.68/137,979,498 = 37,386,125.04/x
  3. Step 3: Cross multiply
    91,986,331.68x = 137,979,498 × 37,386,125.04
  4. Step 4: Simplify right side
    91,986,331.68x = 5,158,518,765,184,430
  5. Step 5: Solve for x
    x = 5,158,518,765,184,430/91,986,331.68
  6. Step 6: Final answer
    x = 56,079,187.76

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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.