Home / 129,347,904.20-194,021,856.30-117,443,625.80

Finding the Fourth Proportional to 129,347,904.20, 194,021,856.30 and 117,443,625.80

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Solution

The fourth proportional to 129,347,904.20, 194,021,856.30 and 117,443,625.80 is: 176,165,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,347,904.20 : 194,021,856.30 = 117,443,625.80 : x
  2. Step 2: Convert to fraction form
    129,347,904.20/194,021,856.30 = 117,443,625.80/x
  3. Step 3: Cross multiply
    129,347,904.20x = 194,021,856.30 × 117,443,625.80
  4. Step 4: Simplify right side
    129,347,904.20x = 22,786,630,288,318,572
  5. Step 5: Solve for x
    x = 22,786,630,288,318,572/129,347,904.20
  6. Step 6: Final answer
    x = 176,165,438.70

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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.