Home / 91,765,615.43-126,639,890.96-49,947,661.10

Finding the Fourth Proportional to 91,765,615.43, 126,639,890.96 and 49,947,661.10

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Solution

The fourth proportional to 91,765,615.43, 126,639,890.96 and 49,947,661.10 is: 68,929,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,615.43 : 126,639,890.96 = 49,947,661.10 : x
  2. Step 2: Convert to fraction form
    91,765,615.43/126,639,890.96 = 49,947,661.10/x
  3. Step 3: Cross multiply
    91,765,615.43x = 126,639,890.96 × 49,947,661.10
  4. Step 4: Simplify right side
    91,765,615.43x = 6,325,366,354,528,096
  5. Step 5: Solve for x
    x = 6,325,366,354,528,096/91,765,615.43
  6. Step 6: Final answer
    x = 68,929,591.17

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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.