Home / 72,239,912.60-108,536,816.10-54,324,008.60

Finding the Fourth Proportional to 72,239,912.60, 108,536,816.10 and 54,324,008.60

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Solution

The fourth proportional to 72,239,912.60, 108,536,816.10 and 54,324,008.60 is: 81,619,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,239,912.60 : 108,536,816.10 = 54,324,008.60 : x
  2. Step 2: Convert to fraction form
    72,239,912.60/108,536,816.10 = 54,324,008.60/x
  3. Step 3: Cross multiply
    72,239,912.60x = 108,536,816.10 × 54,324,008.60
  4. Step 4: Simplify right side
    72,239,912.60x = 5,896,154,931,233,018
  5. Step 5: Solve for x
    x = 5,896,154,931,233,018/72,239,912.60
  6. Step 6: Final answer
    x = 81,619,076.20

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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.