Home / 342,536,565.78-513,689,691.96-124,141,192.92

Finding the Fourth Proportional to 342,536,565.78, 513,689,691.96 and 124,141,192.92

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Solution

The fourth proportional to 342,536,565.78, 513,689,691.96 and 124,141,192.92 is: 186,170,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,536,565.78 : 513,689,691.96 = 124,141,192.92 : x
  2. Step 2: Convert to fraction form
    342,536,565.78/513,689,691.96 = 124,141,192.92/x
  3. Step 3: Cross multiply
    342,536,565.78x = 513,689,691.96 × 124,141,192.92
  4. Step 4: Simplify right side
    342,536,565.78x = 63,770,051,150,621,728
  5. Step 5: Solve for x
    x = 63,770,051,150,621,728/342,536,565.78
  6. Step 6: Final answer
    x = 186,170,054.59

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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.