Home / 67,378,711.70-101,103,059.55-31,476,919.70

Finding the Fourth Proportional to 67,378,711.70, 101,103,059.55 and 31,476,919.70

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Solution

The fourth proportional to 67,378,711.70, 101,103,059.55 and 31,476,919.70 is: 47,231,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,378,711.70 : 101,103,059.55 = 31,476,919.70 : x
  2. Step 2: Convert to fraction form
    67,378,711.70/101,103,059.55 = 31,476,919.70/x
  3. Step 3: Cross multiply
    67,378,711.70x = 101,103,059.55 × 31,476,919.70
  4. Step 4: Simplify right side
    67,378,711.70x = 3,182,412,886,879,668
  5. Step 5: Solve for x
    x = 3,182,412,886,879,668/67,378,711.70
  6. Step 6: Final answer
    x = 47,231,726.56

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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.