Home / 71,712,267.20-107,568,400.80-17,859,579.20

Finding the Fourth Proportional to 71,712,267.20, 107,568,400.80 and 17,859,579.20

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Solution

The fourth proportional to 71,712,267.20, 107,568,400.80 and 17,859,579.20 is: 26,789,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,712,267.20 : 107,568,400.80 = 17,859,579.20 : x
  2. Step 2: Convert to fraction form
    71,712,267.20/107,568,400.80 = 17,859,579.20/x
  3. Step 3: Cross multiply
    71,712,267.20x = 107,568,400.80 × 17,859,579.20
  4. Step 4: Simplify right side
    71,712,267.20x = 1,921,126,373,504,943.25
  5. Step 5: Solve for x
    x = 1,921,126,373,504,943.25/71,712,267.20
  6. Step 6: Final answer
    x = 26,789,368.80

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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.