Home / 126,342,012.40-189,654,736.20-97,715,057.20

Finding the Fourth Proportional to 126,342,012.40, 189,654,736.20 and 97,715,057.20

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Solution

The fourth proportional to 126,342,012.40, 189,654,736.20 and 97,715,057.20 is: 146,682,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,342,012.40 : 189,654,736.20 = 97,715,057.20 : x
  2. Step 2: Convert to fraction form
    126,342,012.40/189,654,736.20 = 97,715,057.20/x
  3. Step 3: Cross multiply
    126,342,012.40x = 189,654,736.20 × 97,715,057.20
  4. Step 4: Simplify right side
    126,342,012.40x = 18,532,123,396,033,912
  5. Step 5: Solve for x
    x = 18,532,123,396,033,912/126,342,012.40
  6. Step 6: Final answer
    x = 146,682,192.60

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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.