Home / 83,498,560.80-125,035,264.80-79,672,185.60

Finding the Fourth Proportional to 83,498,560.80, 125,035,264.80 and 79,672,185.60

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Solution

The fourth proportional to 83,498,560.80, 125,035,264.80 and 79,672,185.60 is: 119,305,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,498,560.80 : 125,035,264.80 = 79,672,185.60 : x
  2. Step 2: Convert to fraction form
    83,498,560.80/125,035,264.80 = 79,672,185.60/x
  3. Step 3: Cross multiply
    83,498,560.80x = 125,035,264.80 × 79,672,185.60
  4. Step 4: Simplify right side
    83,498,560.80x = 9,961,832,823,690,746
  5. Step 5: Solve for x
    x = 9,961,832,823,690,746/83,498,560.80
  6. Step 6: Final answer
    x = 119,305,443.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.