Home / 129,491,211.40-194,180,829.90-64,770,008.20

Finding the Fourth Proportional to 129,491,211.40, 194,180,829.90 and 64,770,008.20

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Solution

The fourth proportional to 129,491,211.40, 194,180,829.90 and 64,770,008.20 is: 97,127,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,491,211.40 : 194,180,829.90 = 64,770,008.20 : x
  2. Step 2: Convert to fraction form
    129,491,211.40/194,180,829.90 = 64,770,008.20/x
  3. Step 3: Cross multiply
    129,491,211.40x = 194,180,829.90 × 64,770,008.20
  4. Step 4: Simplify right side
    129,491,211.40x = 12,577,093,944,905,806
  5. Step 5: Solve for x
    x = 12,577,093,944,905,806/129,491,211.40
  6. Step 6: Final answer
    x = 97,127,008.15

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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.