Home / 83,542,736.80-125,313,932.08-47,134,599.20

Finding the Fourth Proportional to 83,542,736.80, 125,313,932.08 and 47,134,599.20

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Solution

The fourth proportional to 83,542,736.80, 125,313,932.08 and 47,134,599.20 is: 70,701,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542,736.80 : 125,313,932.08 = 47,134,599.20 : x
  2. Step 2: Convert to fraction form
    83,542,736.80/125,313,932.08 = 47,134,599.20/x
  3. Step 3: Cross multiply
    83,542,736.80x = 125,313,932.08 × 47,134,599.20
  4. Step 4: Simplify right side
    83,542,736.80x = 5,906,621,962,766,823
  5. Step 5: Solve for x
    x = 5,906,621,962,766,823/83,542,736.80
  6. Step 6: Final answer
    x = 70,701,801.13

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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.