Home / 91,765,611.47-126,639,885.52-49,947,657.16

Finding the Fourth Proportional to 91,765,611.47, 126,639,885.52 and 49,947,657.16

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Solution

The fourth proportional to 91,765,611.47, 126,639,885.52 and 49,947,657.16 is: 68,929,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,611.47 : 126,639,885.52 = 49,947,657.16 : x
  2. Step 2: Convert to fraction form
    91,765,611.47/126,639,885.52 = 49,947,657.16/x
  3. Step 3: Cross multiply
    91,765,611.47x = 126,639,885.52 × 49,947,657.16
  4. Step 4: Simplify right side
    91,765,611.47x = 6,325,365,584,734,608
  5. Step 5: Solve for x
    x = 6,325,365,584,734,608/91,765,611.47
  6. Step 6: Final answer
    x = 68,929,585.75

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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.