Home / 91,765,261.79-126,639,402.99-49,947,306.06

Finding the Fourth Proportional to 91,765,261.79, 126,639,402.99 and 49,947,306.06

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Solution

The fourth proportional to 91,765,261.79, 126,639,402.99 and 49,947,306.06 is: 68,929,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,261.79 : 126,639,402.99 = 49,947,306.06 : x
  2. Step 2: Convert to fraction form
    91,765,261.79/126,639,402.99 = 49,947,306.06/x
  3. Step 3: Cross multiply
    91,765,261.79x = 126,639,402.99 × 49,947,306.06
  4. Step 4: Simplify right side
    91,765,261.79x = 6,325,297,020,393,513
  5. Step 5: Solve for x
    x = 6,325,297,020,393,513/91,765,261.79
  6. Step 6: Final answer
    x = 68,929,101.24

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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.