Home / 56,479,233.60-84,730,660.20-18,144,622.80

Finding the Fourth Proportional to 56,479,233.60, 84,730,660.20 and 18,144,622.80

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Solution

The fourth proportional to 56,479,233.60, 84,730,660.20 and 18,144,622.80 is: 27,220,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479,233.60 : 84,730,660.20 = 18,144,622.80 : x
  2. Step 2: Convert to fraction form
    56,479,233.60/84,730,660.20 = 18,144,622.80/x
  3. Step 3: Cross multiply
    56,479,233.60x = 84,730,660.20 × 18,144,622.80
  4. Step 4: Simplify right side
    56,479,233.60x = 1,537,405,868,923,972.75
  5. Step 5: Solve for x
    x = 1,537,405,868,923,972.75/56,479,233.60
  6. Step 6: Final answer
    x = 27,220,728.24

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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.