Home / 102,164,490.68-141,067,328.56-82,255,012.85

Finding the Fourth Proportional to 102,164,490.68, 141,067,328.56 and 82,255,012.85

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Solution

The fourth proportional to 102,164,490.68, 141,067,328.56 and 82,255,012.85 is: 113,576,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,164,490.68 : 141,067,328.56 = 82,255,012.85 : x
  2. Step 2: Convert to fraction form
    102,164,490.68/141,067,328.56 = 82,255,012.85/x
  3. Step 3: Cross multiply
    102,164,490.68x = 141,067,328.56 × 82,255,012.85
  4. Step 4: Simplify right side
    102,164,490.68x = 11,603,494,923,565,004
  5. Step 5: Solve for x
    x = 11,603,494,923,565,004/102,164,490.68
  6. Step 6: Final answer
    x = 113,576,594.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.