Home / 88,155,017.89-121,376,059.10-79,982,866.95

Finding the Fourth Proportional to 88,155,017.89, 121,376,059.10 and 79,982,866.95

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Solution

The fourth proportional to 88,155,017.89, 121,376,059.10 and 79,982,866.95 is: 110,124,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,155,017.89 : 121,376,059.10 = 79,982,866.95 : x
  2. Step 2: Convert to fraction form
    88,155,017.89/121,376,059.10 = 79,982,866.95/x
  3. Step 3: Cross multiply
    88,155,017.89x = 121,376,059.10 × 79,982,866.95
  4. Step 4: Simplify right side
    88,155,017.89x = 9,708,005,186,375,766
  5. Step 5: Solve for x
    x = 9,708,005,186,375,766/88,155,017.89
  6. Step 6: Final answer
    x = 110,124,249.52

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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.