Home / 87,175,998.24-120,302,877.12-50,527,826.88

Finding the Fourth Proportional to 87,175,998.24, 120,302,877.12 and 50,527,826.88

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Solution

The fourth proportional to 87,175,998.24, 120,302,877.12 and 50,527,826.88 is: 69,728,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,175,998.24 : 120,302,877.12 = 50,527,826.88 : x
  2. Step 2: Convert to fraction form
    87,175,998.24/120,302,877.12 = 50,527,826.88/x
  3. Step 3: Cross multiply
    87,175,998.24x = 120,302,877.12 × 50,527,826.88
  4. Step 4: Simplify right side
    87,175,998.24x = 6,078,642,948,285,274
  5. Step 5: Solve for x
    x = 6,078,642,948,285,274/87,175,998.24
  6. Step 6: Final answer
    x = 69,728,400.83

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1.5x scale

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.