Home / 129,328,345.80-194,067,168.30-48,557,478.60

Finding the Fourth Proportional to 129,328,345.80, 194,067,168.30 and 48,557,478.60

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Solution

The fourth proportional to 129,328,345.80, 194,067,168.30 and 48,557,478.60 is: 72,864,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,328,345.80 : 194,067,168.30 = 48,557,478.60 : x
  2. Step 2: Convert to fraction form
    129,328,345.80/194,067,168.30 = 48,557,478.60/x
  3. Step 3: Cross multiply
    129,328,345.80x = 194,067,168.30 × 48,557,478.60
  4. Step 4: Simplify right side
    129,328,345.80x = 9,423,412,371,689,850
  5. Step 5: Solve for x
    x = 9,423,412,371,689,850/129,328,345.80
  6. Step 6: Final answer
    x = 72,864,245.76

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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.