Home / 67,378,708.20-101,103,054.30-31,476,916.20

Finding the Fourth Proportional to 67,378,708.20, 101,103,054.30 and 31,476,916.20

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Solution

The fourth proportional to 67,378,708.20, 101,103,054.30 and 31,476,916.20 is: 47,231,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,378,708.20 : 101,103,054.30 = 31,476,916.20 : x
  2. Step 2: Convert to fraction form
    67,378,708.20/101,103,054.30 = 31,476,916.20/x
  3. Step 3: Cross multiply
    67,378,708.20x = 101,103,054.30 × 31,476,916.20
  4. Step 4: Simplify right side
    67,378,708.20x = 3,182,412,367,765,149.50
  5. Step 5: Solve for x
    x = 3,182,412,367,765,149.50/67,378,708.20
  6. Step 6: Final answer
    x = 47,231,721.31

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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.