Home / 199,417,811.10-299,126,716.65-131,337,375.90

Finding the Fourth Proportional to 199,417,811.10, 299,126,716.65 and 131,337,375.90

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Solution

The fourth proportional to 199,417,811.10, 299,126,716.65 and 131,337,375.90 is: 197,006,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,417,811.10 : 299,126,716.65 = 131,337,375.90 : x
  2. Step 2: Convert to fraction form
    199,417,811.10/299,126,716.65 = 131,337,375.90/x
  3. Step 3: Cross multiply
    199,417,811.10x = 299,126,716.65 × 131,337,375.90
  4. Step 4: Simplify right side
    199,417,811.10x = 39,286,518,026,393,840
  5. Step 5: Solve for x
    x = 39,286,518,026,393,840/199,417,811.10
  6. Step 6: Final answer
    x = 197,006,063.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.