Home / 125,217,672.39-187,839,392.45-43,336,406.97

Finding the Fourth Proportional to 125,217,672.39, 187,839,392.45 and 43,336,406.97

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Solution

The fourth proportional to 125,217,672.39, 187,839,392.45 and 43,336,406.97 is: 65,009,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,217,672.39 : 187,839,392.45 = 43,336,406.97 : x
  2. Step 2: Convert to fraction form
    125,217,672.39/187,839,392.45 = 43,336,406.97/x
  3. Step 3: Cross multiply
    125,217,672.39x = 187,839,392.45 × 43,336,406.97
  4. Step 4: Simplify right side
    125,217,672.39x = 8,140,284,355,994,063
  5. Step 5: Solve for x
    x = 8,140,284,355,994,063/125,217,672.39
  6. Step 6: Final answer
    x = 65,009,069.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.