Home / 281,360,501.52-388,279,771.44-155,914,793.04

Finding the Fourth Proportional to 281,360,501.52, 388,279,771.44 and 155,914,793.04

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Solution

The fourth proportional to 281,360,501.52, 388,279,771.44 and 155,914,793.04 is: 215,163,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,360,501.52 : 388,279,771.44 = 155,914,793.04 : x
  2. Step 2: Convert to fraction form
    281,360,501.52/388,279,771.44 = 155,914,793.04/x
  3. Step 3: Cross multiply
    281,360,501.52x = 388,279,771.44 × 155,914,793.04
  4. Step 4: Simplify right side
    281,360,501.52x = 60,538,560,205,686,096
  5. Step 5: Solve for x
    x = 60,538,560,205,686,096/281,360,501.52
  6. Step 6: Final answer
    x = 215,163,677.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.