Home / 125,894,051.28-173,729,716.44-72,257,540.88

Finding the Fourth Proportional to 125,894,051.28, 173,729,716.44 and 72,257,540.88

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Solution

The fourth proportional to 125,894,051.28, 173,729,716.44 and 72,257,540.88 is: 99,713,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894,051.28 : 173,729,716.44 = 72,257,540.88 : x
  2. Step 2: Convert to fraction form
    125,894,051.28/173,729,716.44 = 72,257,540.88/x
  3. Step 3: Cross multiply
    125,894,051.28x = 173,729,716.44 × 72,257,540.88
  4. Step 4: Simplify right side
    125,894,051.28x = 12,553,282,087,734,108
  5. Step 5: Solve for x
    x = 12,553,282,087,734,108/125,894,051.28
  6. Step 6: Final answer
    x = 99,713,067.93

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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.