Home / 87,119,503.50-120,231,942.03-49,953,241.65

Finding the Fourth Proportional to 87,119,503.50, 120,231,942.03 and 49,953,241.65

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Solution

The fourth proportional to 87,119,503.50, 120,231,942.03 and 49,953,241.65 is: 68,939,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119,503.50 : 120,231,942.03 = 49,953,241.65 : x
  2. Step 2: Convert to fraction form
    87,119,503.50/120,231,942.03 = 49,953,241.65/x
  3. Step 3: Cross multiply
    87,119,503.50x = 120,231,942.03 × 49,953,241.65
  4. Step 4: Simplify right side
    87,119,503.50x = 6,005,975,254,273,381
  5. Step 5: Solve for x
    x = 6,005,975,254,273,381/87,119,503.50
  6. Step 6: Final answer
    x = 68,939,502.79

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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.