Home / 68,653,003.20-102,979,504.80-41,390,079.90

Finding the Fourth Proportional to 68,653,003.20, 102,979,504.80 and 41,390,079.90

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Solution

The fourth proportional to 68,653,003.20, 102,979,504.80 and 41,390,079.90 is: 62,085,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653,003.20 : 102,979,504.80 = 41,390,079.90 : x
  2. Step 2: Convert to fraction form
    68,653,003.20/102,979,504.80 = 41,390,079.90/x
  3. Step 3: Cross multiply
    68,653,003.20x = 102,979,504.80 × 41,390,079.90
  4. Step 4: Simplify right side
    68,653,003.20x = 4,262,329,931,734,433
  5. Step 5: Solve for x
    x = 4,262,329,931,734,433/68,653,003.20
  6. Step 6: Final answer
    x = 62,085,119.85

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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.