Home / 204,375,731.88-281,996,407.62-117,438,807.72

Finding the Fourth Proportional to 204,375,731.88, 281,996,407.62 and 117,438,807.72

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Solution

The fourth proportional to 204,375,731.88, 281,996,407.62 and 117,438,807.72 is: 162,041,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,375,731.88 : 281,996,407.62 = 117,438,807.72 : x
  2. Step 2: Convert to fraction form
    204,375,731.88/281,996,407.62 = 117,438,807.72/x
  3. Step 3: Cross multiply
    204,375,731.88x = 281,996,407.62 × 117,438,807.72
  4. Step 4: Simplify right side
    204,375,731.88x = 33,117,321,892,215,924
  5. Step 5: Solve for x
    x = 33,117,321,892,215,924/204,375,731.88
  6. Step 6: Final answer
    x = 162,041,361.70

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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.