Home / 203,686,191.53-281,092,966.29-144,253,815.90

Finding the Fourth Proportional to 203,686,191.53, 281,092,966.29 and 144,253,815.90

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Solution

The fourth proportional to 203,686,191.53, 281,092,966.29 and 144,253,815.90 is: 199,074,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,686,191.53 : 281,092,966.29 = 144,253,815.90 : x
  2. Step 2: Convert to fraction form
    203,686,191.53/281,092,966.29 = 144,253,815.90/x
  3. Step 3: Cross multiply
    203,686,191.53x = 281,092,966.29 × 144,253,815.90
  4. Step 4: Simplify right side
    203,686,191.53x = 40,548,733,009,982,568
  5. Step 5: Solve for x
    x = 40,548,733,009,982,568/203,686,191.53
  6. Step 6: Final answer
    x = 199,074,530.80

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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.