Home / 68,639,016.07-102,957,873.22-17,520,329.35

Finding the Fourth Proportional to 68,639,016.07, 102,957,873.22 and 17,520,329.35

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Solution

The fourth proportional to 68,639,016.07, 102,957,873.22 and 17,520,329.35 is: 26,280,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,639,016.07 : 102,957,873.22 = 17,520,329.35 : x
  2. Step 2: Convert to fraction form
    68,639,016.07/102,957,873.22 = 17,520,329.35/x
  3. Step 3: Cross multiply
    68,639,016.07x = 102,957,873.22 × 17,520,329.35
  4. Step 4: Simplify right side
    68,639,016.07x = 1,803,855,847,989,945.25
  5. Step 5: Solve for x
    x = 1,803,855,847,989,945.25/68,639,016.07
  6. Step 6: Final answer
    x = 26,280,327.88

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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.