Home / 129,961,316.50-194,900,793.24-42,502,623.28

Finding the Fourth Proportional to 129,961,316.50, 194,900,793.24 and 42,502,623.28

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Solution

The fourth proportional to 129,961,316.50, 194,900,793.24 and 42,502,623.28 is: 63,740,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,961,316.50 : 194,900,793.24 = 42,502,623.28 : x
  2. Step 2: Convert to fraction form
    129,961,316.50/194,900,793.24 = 42,502,623.28/x
  3. Step 3: Cross multiply
    129,961,316.50x = 194,900,793.24 × 42,502,623.28
  4. Step 4: Simplify right side
    129,961,316.50x = 8,283,794,992,052,891
  5. Step 5: Solve for x
    x = 8,283,794,992,052,891/129,961,316.50
  6. Step 6: Final answer
    x = 63,740,466.90

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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.