Home / 137,702,307-206,568,593.50-68,632,498.46

Finding the Fourth Proportional to 137,702,307, 206,568,593.50 and 68,632,498.46

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Solution

The fourth proportional to 137,702,307, 206,568,593.50 and 68,632,498.46 is: 102,956,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,702,307 : 206,568,593.50 = 68,632,498.46 : x
  2. Step 2: Convert to fraction form
    137,702,307/206,568,593.50 = 68,632,498.46/x
  3. Step 3: Cross multiply
    137,702,307x = 206,568,593.50 × 68,632,498.46
  4. Step 4: Simplify right side
    137,702,307x = 14,177,318,675,273,114
  5. Step 5: Solve for x
    x = 14,177,318,675,273,114/137,702,307
  6. Step 6: Final answer
    x = 102,956,290.16

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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.