Home / 126,728,248.32-174,855,008.34-71,724,103.20

Finding the Fourth Proportional to 126,728,248.32, 174,855,008.34 and 71,724,103.20

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Solution

The fourth proportional to 126,728,248.32, 174,855,008.34 and 71,724,103.20 is: 98,962,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,728,248.32 : 174,855,008.34 = 71,724,103.20 : x
  2. Step 2: Convert to fraction form
    126,728,248.32/174,855,008.34 = 71,724,103.20/x
  3. Step 3: Cross multiply
    126,728,248.32x = 174,855,008.34 × 71,724,103.20
  4. Step 4: Simplify right side
    126,728,248.32x = 12,541,318,663,215,022
  5. Step 5: Solve for x
    x = 12,541,318,663,215,022/126,728,248.32
  6. Step 6: Final answer
    x = 98,962,297.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.