Home / 83,542,686.72-125,313,857.76-47,134,549.50

Finding the Fourth Proportional to 83,542,686.72, 125,313,857.76 and 47,134,549.50

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Solution

The fourth proportional to 83,542,686.72, 125,313,857.76 and 47,134,549.50 is: 70,701,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542,686.72 : 125,313,857.76 = 47,134,549.50 : x
  2. Step 2: Convert to fraction form
    83,542,686.72/125,313,857.76 = 47,134,549.50/x
  3. Step 3: Cross multiply
    83,542,686.72x = 125,313,857.76 × 47,134,549.50
  4. Step 4: Simplify right side
    83,542,686.72x = 5,906,612,231,624,679
  5. Step 5: Solve for x
    x = 5,906,612,231,624,679/83,542,686.72
  6. Step 6: Final answer
    x = 70,701,727.03

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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.