Home / 83,120,003.70-124,691,815.35-25,606,277.70

Finding the Fourth Proportional to 83,120,003.70, 124,691,815.35 and 25,606,277.70

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Solution

The fourth proportional to 83,120,003.70, 124,691,815.35 and 25,606,277.70 is: 38,413,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,120,003.70 : 124,691,815.35 = 25,606,277.70 : x
  2. Step 2: Convert to fraction form
    83,120,003.70/124,691,815.35 = 25,606,277.70/x
  3. Step 3: Cross multiply
    83,120,003.70x = 124,691,815.35 × 25,606,277.70
  4. Step 4: Simplify right side
    83,120,003.70x = 3,192,893,250,769,222.50
  5. Step 5: Solve for x
    x = 3,192,893,250,769,222.50/83,120,003.70
  6. Step 6: Final answer
    x = 38,413,054.72

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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.