Home / 83,101,621.60-124,689,757.20-37,640,015.20

Finding the Fourth Proportional to 83,101,621.60, 124,689,757.20 and 37,640,015.20

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Solution

The fourth proportional to 83,101,621.60, 124,689,757.20 and 37,640,015.20 is: 56,476,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,101,621.60 : 124,689,757.20 = 37,640,015.20 : x
  2. Step 2: Convert to fraction form
    83,101,621.60/124,689,757.20 = 37,640,015.20/x
  3. Step 3: Cross multiply
    83,101,621.60x = 124,689,757.20 × 37,640,015.20
  4. Step 4: Simplify right side
    83,101,621.60x = 4,693,324,356,292,310
  5. Step 5: Solve for x
    x = 4,693,324,356,292,310/83,101,621.60
  6. Step 6: Final answer
    x = 56,476,928.68

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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.