Home / 91,920,053.64-137,844,207.42-40,120,499.40

Finding the Fourth Proportional to 91,920,053.64, 137,844,207.42 and 40,120,499.40

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Solution

The fourth proportional to 91,920,053.64, 137,844,207.42 and 40,120,499.40 is: 60,165,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,920,053.64 : 137,844,207.42 = 40,120,499.40 : x
  2. Step 2: Convert to fraction form
    91,920,053.64/137,844,207.42 = 40,120,499.40/x
  3. Step 3: Cross multiply
    91,920,053.64x = 137,844,207.42 × 40,120,499.40
  4. Step 4: Simplify right side
    91,920,053.64x = 5,530,378,441,087,585
  5. Step 5: Solve for x
    x = 5,530,378,441,087,585/91,920,053.64
  6. Step 6: Final answer
    x = 60,165,091.53

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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.