Home / 185,791,067.88-256,013,882.19-143,719,651.32

Finding the Fourth Proportional to 185,791,067.88, 256,013,882.19 and 143,719,651.32

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Solution

The fourth proportional to 185,791,067.88, 256,013,882.19 and 143,719,651.32 is: 198,040,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,791,067.88 : 256,013,882.19 = 143,719,651.32 : x
  2. Step 2: Convert to fraction form
    185,791,067.88/256,013,882.19 = 143,719,651.32/x
  3. Step 3: Cross multiply
    185,791,067.88x = 256,013,882.19 × 143,719,651.32
  4. Step 4: Simplify right side
    185,791,067.88x = 36,794,225,881,426,352
  5. Step 5: Solve for x
    x = 36,794,225,881,426,352/185,791,067.88
  6. Step 6: Final answer
    x = 198,040,876.24

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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.