Home / 67,872,769.28-101,840,464.90-30,995,964.14

Finding the Fourth Proportional to 67,872,769.28, 101,840,464.90 and 30,995,964.14

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Solution

The fourth proportional to 67,872,769.28, 101,840,464.90 and 30,995,964.14 is: 46,508,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,872,769.28 : 101,840,464.90 = 30,995,964.14 : x
  2. Step 2: Convert to fraction form
    67,872,769.28/101,840,464.90 = 30,995,964.14/x
  3. Step 3: Cross multiply
    67,872,769.28x = 101,840,464.90 × 30,995,964.14
  4. Step 4: Simplify right side
    67,872,769.28x = 3,156,643,398,041,329
  5. Step 5: Solve for x
    x = 3,156,643,398,041,329/67,872,769.28
  6. Step 6: Final answer
    x = 46,508,245.23

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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.