Home / 72,691,192.80-109,036,789.20-26,632,972.80

Finding the Fourth Proportional to 72,691,192.80, 109,036,789.20 and 26,632,972.80

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Solution

The fourth proportional to 72,691,192.80, 109,036,789.20 and 26,632,972.80 is: 39,949,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,691,192.80 : 109,036,789.20 = 26,632,972.80 : x
  2. Step 2: Convert to fraction form
    72,691,192.80/109,036,789.20 = 26,632,972.80/x
  3. Step 3: Cross multiply
    72,691,192.80x = 109,036,789.20 × 26,632,972.80
  4. Step 4: Simplify right side
    72,691,192.80x = 2,903,973,840,962,934
  5. Step 5: Solve for x
    x = 2,903,973,840,962,934/72,691,192.80
  6. Step 6: Final answer
    x = 39,949,459.20

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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.