Home / 91,745,121.90-137,617,682.85-88,217,928.30

Finding the Fourth Proportional to 91,745,121.90, 137,617,682.85 and 88,217,928.30

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Solution

The fourth proportional to 91,745,121.90, 137,617,682.85 and 88,217,928.30 is: 132,326,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,745,121.90 : 137,617,682.85 = 88,217,928.30 : x
  2. Step 2: Convert to fraction form
    91,745,121.90/137,617,682.85 = 88,217,928.30/x
  3. Step 3: Cross multiply
    91,745,121.90x = 137,617,682.85 × 88,217,928.30
  4. Step 4: Simplify right side
    91,745,121.90x = 12,140,346,878,473,438
  5. Step 5: Solve for x
    x = 12,140,346,878,473,438/91,745,121.90
  6. Step 6: Final answer
    x = 132,326,892.45

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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.