Home / 129,559,234.20-194,338,851.30-52,856,770.20

Finding the Fourth Proportional to 129,559,234.20, 194,338,851.30 and 52,856,770.20

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Solution

The fourth proportional to 129,559,234.20, 194,338,851.30 and 52,856,770.20 is: 79,285,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,559,234.20 : 194,338,851.30 = 52,856,770.20 : x
  2. Step 2: Convert to fraction form
    129,559,234.20/194,338,851.30 = 52,856,770.20/x
  3. Step 3: Cross multiply
    129,559,234.20x = 194,338,851.30 × 52,856,770.20
  4. Step 4: Simplify right side
    129,559,234.20x = 10,272,124,004,096,072
  5. Step 5: Solve for x
    x = 10,272,124,004,096,072/129,559,234.20
  6. Step 6: Final answer
    x = 79,285,155.30

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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.