Home / 83,106,002.40-124,659,003.60-81,972,261.60

Finding the Fourth Proportional to 83,106,002.40, 124,659,003.60 and 81,972,261.60

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Solution

The fourth proportional to 83,106,002.40, 124,659,003.60 and 81,972,261.60 is: 122,958,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106,002.40 : 124,659,003.60 = 81,972,261.60 : x
  2. Step 2: Convert to fraction form
    83,106,002.40/124,659,003.60 = 81,972,261.60/x
  3. Step 3: Cross multiply
    83,106,002.40x = 124,659,003.60 × 81,972,261.60
  4. Step 4: Simplify right side
    83,106,002.40x = 10,218,580,453,894,540
  5. Step 5: Solve for x
    x = 10,218,580,453,894,540/83,106,002.40
  6. Step 6: Final answer
    x = 122,958,392.40

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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.