Home / 247,913,512.32-372,103,254.80-129,823,033.98

Finding the Fourth Proportional to 247,913,512.32, 372,103,254.80 and 129,823,033.98

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Solution

The fourth proportional to 247,913,512.32, 372,103,254.80 and 129,823,033.98 is: 194,856,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,913,512.32 : 372,103,254.80 = 129,823,033.98 : x
  2. Step 2: Convert to fraction form
    247,913,512.32/372,103,254.80 = 129,823,033.98/x
  3. Step 3: Cross multiply
    247,913,512.32x = 372,103,254.80 × 129,823,033.98
  4. Step 4: Simplify right side
    247,913,512.32x = 48,307,573,491,969,000
  5. Step 5: Solve for x
    x = 48,307,573,491,969,000/247,913,512.32
  6. Step 6: Final answer
    x = 194,856,557.19

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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.