Home / 84,572,132.40-126,870,008.40-36,049,600.80

Finding the Fourth Proportional to 84,572,132.40, 126,870,008.40 and 36,049,600.80

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Solution

The fourth proportional to 84,572,132.40, 126,870,008.40 and 36,049,600.80 is: 54,079,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,572,132.40 : 126,870,008.40 = 36,049,600.80 : x
  2. Step 2: Convert to fraction form
    84,572,132.40/126,870,008.40 = 36,049,600.80/x
  3. Step 3: Cross multiply
    84,572,132.40x = 126,870,008.40 × 36,049,600.80
  4. Step 4: Simplify right side
    84,572,132.40x = 4,573,613,156,312,647
  5. Step 5: Solve for x
    x = 4,573,613,156,312,647/84,572,132.40
  6. Step 6: Final answer
    x = 54,079,435.23

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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.