Home / 131,908,396.20-197,766,934.92-88,670,356.44

Finding the Fourth Proportional to 131,908,396.20, 197,766,934.92 and 88,670,356.44

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Solution

The fourth proportional to 131,908,396.20, 197,766,934.92 and 88,670,356.44 is: 132,941,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,908,396.20 : 197,766,934.92 = 88,670,356.44 : x
  2. Step 2: Convert to fraction form
    131,908,396.20/197,766,934.92 = 88,670,356.44/x
  3. Step 3: Cross multiply
    131,908,396.20x = 197,766,934.92 × 88,670,356.44
  4. Step 4: Simplify right side
    131,908,396.20x = 17,536,064,611,402,682
  5. Step 5: Solve for x
    x = 17,536,064,611,402,682/131,908,396.20
  6. Step 6: Final answer
    x = 132,941,231.31

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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.