Home / 91,765,663.32-126,639,956.94-49,947,708.90

Finding the Fourth Proportional to 91,765,663.32, 126,639,956.94 and 49,947,708.90

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Solution

The fourth proportional to 91,765,663.32, 126,639,956.94 and 49,947,708.90 is: 68,929,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,663.32 : 126,639,956.94 = 49,947,708.90 : x
  2. Step 2: Convert to fraction form
    91,765,663.32/126,639,956.94 = 49,947,708.90/x
  3. Step 3: Cross multiply
    91,765,663.32x = 126,639,956.94 × 49,947,708.90
  4. Step 4: Simplify right side
    91,765,663.32x = 6,325,375,704,347,654
  5. Step 5: Solve for x
    x = 6,325,375,704,347,654/91,765,663.32
  6. Step 6: Final answer
    x = 68,929,657.08

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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.