Home / 83,542,674.69-125,313,839.78-47,134,537.52

Finding the Fourth Proportional to 83,542,674.69, 125,313,839.78 and 47,134,537.52

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Solution

The fourth proportional to 83,542,674.69, 125,313,839.78 and 47,134,537.52 is: 70,701,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542,674.69 : 125,313,839.78 = 47,134,537.52 : x
  2. Step 2: Convert to fraction form
    83,542,674.69/125,313,839.78 = 47,134,537.52/x
  3. Step 3: Cross multiply
    83,542,674.69x = 125,313,839.78 × 47,134,537.52
  4. Step 4: Simplify right side
    83,542,674.69x = 5,906,609,882,023,437
  5. Step 5: Solve for x
    x = 5,906,609,882,023,437/83,542,674.69
  6. Step 6: Final answer
    x = 70,701,709.08

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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.