Home / 91,765,342.64-126,639,514.60-49,947,387.60

Finding the Fourth Proportional to 91,765,342.64, 126,639,514.60 and 49,947,387.60

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Solution

The fourth proportional to 91,765,342.64, 126,639,514.60 and 49,947,387.60 is: 68,929,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,342.64 : 126,639,514.60 = 49,947,387.60 : x
  2. Step 2: Convert to fraction form
    91,765,342.64/126,639,514.60 = 49,947,387.60/x
  3. Step 3: Cross multiply
    91,765,342.64x = 126,639,514.60 × 49,947,387.60
  4. Step 4: Simplify right side
    91,765,342.64x = 6,325,312,921,202,059
  5. Step 5: Solve for x
    x = 6,325,312,921,202,059/91,765,342.64
  6. Step 6: Final answer
    x = 68,929,213.79

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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.