Home / 91,765,613.93-126,639,888.89-49,947,659.60

Finding the Fourth Proportional to 91,765,613.93, 126,639,888.89 and 49,947,659.60

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Solution

The fourth proportional to 91,765,613.93, 126,639,888.89 and 49,947,659.60 is: 68,929,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,613.93 : 126,639,888.89 = 49,947,659.60 : x
  2. Step 2: Convert to fraction form
    91,765,613.93/126,639,888.89 = 49,947,659.60/x
  3. Step 3: Cross multiply
    91,765,613.93x = 126,639,888.89 × 49,947,659.60
  4. Step 4: Simplify right side
    91,765,613.93x = 6,325,366,061,176,604
  5. Step 5: Solve for x
    x = 6,325,366,061,176,604/91,765,613.93
  6. Step 6: Final answer
    x = 68,929,589.10

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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.