Home / 87,555,501.18-120,826,618.11-47,863,204.56

Finding the Fourth Proportional to 87,555,501.18, 120,826,618.11 and 47,863,204.56

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Solution

The fourth proportional to 87,555,501.18, 120,826,618.11 and 47,863,204.56 is: 66,051,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,555,501.18 : 120,826,618.11 = 47,863,204.56 : x
  2. Step 2: Convert to fraction form
    87,555,501.18/120,826,618.11 = 47,863,204.56/x
  3. Step 3: Cross multiply
    87,555,501.18x = 120,826,618.11 × 47,863,204.56
  4. Step 4: Simplify right side
    87,555,501.18x = 5,783,149,138,891,931
  5. Step 5: Solve for x
    x = 5,783,149,138,891,931/87,555,501.18
  6. Step 6: Final answer
    x = 66,051,236.77

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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.