Home / 125,216,396.56-187,633,042.56-66,932,365.36

Finding the Fourth Proportional to 125,216,396.56, 187,633,042.56 and 66,932,365.36

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Solution

The fourth proportional to 125,216,396.56, 187,633,042.56 and 66,932,365.36 is: 100,296,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216,396.56 : 187,633,042.56 = 66,932,365.36 : x
  2. Step 2: Convert to fraction form
    125,216,396.56/187,633,042.56 = 66,932,365.36/x
  3. Step 3: Cross multiply
    125,216,396.56x = 187,633,042.56 × 66,932,365.36
  4. Step 4: Simplify right side
    125,216,396.56x = 12,558,723,358,234,350
  5. Step 5: Solve for x
    x = 12,558,723,358,234,350/125,216,396.56
  6. Step 6: Final answer
    x = 100,296,156.92

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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.