Home / 89,235,301.28-123,156,742.79-50,079,226.64

Finding the Fourth Proportional to 89,235,301.28, 123,156,742.79 and 50,079,226.64

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Solution

The fourth proportional to 89,235,301.28, 123,156,742.79 and 50,079,226.64 is: 69,116,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235,301.28 : 123,156,742.79 = 50,079,226.64 : x
  2. Step 2: Convert to fraction form
    89,235,301.28/123,156,742.79 = 50,079,226.64/x
  3. Step 3: Cross multiply
    89,235,301.28x = 123,156,742.79 × 50,079,226.64
  4. Step 4: Simplify right side
    89,235,301.28x = 6,167,594,433,934,010
  5. Step 5: Solve for x
    x = 6,167,594,433,934,010/89,235,301.28
  6. Step 6: Final answer
    x = 69,116,082.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.