Home / 142,198,285.46-213,110,149.34-60,215,721.03

Finding the Fourth Proportional to 142,198,285.46, 213,110,149.34 and 60,215,721.03

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Solution

The fourth proportional to 142,198,285.46, 213,110,149.34 and 60,215,721.03 is: 90,244,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,198,285.46 : 213,110,149.34 = 60,215,721.03 : x
  2. Step 2: Convert to fraction form
    142,198,285.46/213,110,149.34 = 60,215,721.03/x
  3. Step 3: Cross multiply
    142,198,285.46x = 213,110,149.34 × 60,215,721.03
  4. Step 4: Simplify right side
    142,198,285.46x = 12,832,581,301,018,000
  5. Step 5: Solve for x
    x = 12,832,581,301,018,000/142,198,285.46
  6. Step 6: Final answer
    x = 90,244,275.87

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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.