Home / 87,232,391.72-120,381,178.56-50,059,716.20

Finding the Fourth Proportional to 87,232,391.72, 120,381,178.56 and 50,059,716.20

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Solution

The fourth proportional to 87,232,391.72, 120,381,178.56 and 50,059,716.20 is: 69,082,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,232,391.72 : 120,381,178.56 = 50,059,716.20 : x
  2. Step 2: Convert to fraction form
    87,232,391.72/120,381,178.56 = 50,059,716.20/x
  3. Step 3: Cross multiply
    87,232,391.72x = 120,381,178.56 × 50,059,716.20
  4. Step 4: Simplify right side
    87,232,391.72x = 6,026,247,634,535,125
  5. Step 5: Solve for x
    x = 6,026,247,634,535,125/87,232,391.72
  6. Step 6: Final answer
    x = 69,082,682.66

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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.