Home / 87,176,004.24-120,302,885.40-50,527,832.88

Finding the Fourth Proportional to 87,176,004.24, 120,302,885.40 and 50,527,832.88

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Solution

The fourth proportional to 87,176,004.24, 120,302,885.40 and 50,527,832.88 is: 69,728,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,176,004.24 : 120,302,885.40 = 50,527,832.88 : x
  2. Step 2: Convert to fraction form
    87,176,004.24/120,302,885.40 = 50,527,832.88/x
  3. Step 3: Cross multiply
    87,176,004.24x = 120,302,885.40 × 50,527,832.88
  4. Step 4: Simplify right side
    87,176,004.24x = 6,078,644,088,472,993
  5. Step 5: Solve for x
    x = 6,078,644,088,472,993/87,176,004.24
  6. Step 6: Final answer
    x = 69,728,409.11

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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.