Home / 112,125,603.90-168,156,913.05-35,472,128.70

Finding the Fourth Proportional to 112,125,603.90, 168,156,913.05 and 35,472,128.70

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Solution

The fourth proportional to 112,125,603.90, 168,156,913.05 and 35,472,128.70 is: 53,198,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,125,603.90 : 168,156,913.05 = 35,472,128.70 : x
  2. Step 2: Convert to fraction form
    112,125,603.90/168,156,913.05 = 35,472,128.70/x
  3. Step 3: Cross multiply
    112,125,603.90x = 168,156,913.05 × 35,472,128.70
  4. Step 4: Simplify right side
    112,125,603.90x = 5,964,883,661,504,310
  5. Step 5: Solve for x
    x = 5,964,883,661,504,310/112,125,603.90
  6. Step 6: Final answer
    x = 53,198,229.97

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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.