Home / 125,942,286.40-188,913,429.60-82,944,116.80

Finding the Fourth Proportional to 125,942,286.40, 188,913,429.60 and 82,944,116.80

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Solution

The fourth proportional to 125,942,286.40, 188,913,429.60 and 82,944,116.80 is: 124,416,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,942,286.40 : 188,913,429.60 = 82,944,116.80 : x
  2. Step 2: Convert to fraction form
    125,942,286.40/188,913,429.60 = 82,944,116.80/x
  3. Step 3: Cross multiply
    125,942,286.40x = 188,913,429.60 × 82,944,116.80
  4. Step 4: Simplify right side
    125,942,286.40x = 15,669,257,569,830,976
  5. Step 5: Solve for x
    x = 15,669,257,569,830,976/125,942,286.40
  6. Step 6: Final answer
    x = 124,416,175.20

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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.