Home / 99,648,489.29-137,518,901.80-55,599,334.97

Finding the Fourth Proportional to 99,648,489.29, 137,518,901.80 and 55,599,334.97

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Solution

The fourth proportional to 99,648,489.29, 137,518,901.80 and 55,599,334.97 is: 76,729,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,489.29 : 137,518,901.80 = 55,599,334.97 : x
  2. Step 2: Convert to fraction form
    99,648,489.29/137,518,901.80 = 55,599,334.97/x
  3. Step 3: Cross multiply
    99,648,489.29x = 137,518,901.80 × 55,599,334.97
  4. Step 4: Simplify right side
    99,648,489.29x = 7,645,959,485,058,144
  5. Step 5: Solve for x
    x = 7,645,959,485,058,144/99,648,489.29
  6. Step 6: Final answer
    x = 76,729,306.58

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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.