Home / 112,125,603.40-168,156,912.30-35,472,128.20

Finding the Fourth Proportional to 112,125,603.40, 168,156,912.30 and 35,472,128.20

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Solution

The fourth proportional to 112,125,603.40, 168,156,912.30 and 35,472,128.20 is: 53,198,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,125,603.40 : 168,156,912.30 = 35,472,128.20 : x
  2. Step 2: Convert to fraction form
    112,125,603.40/168,156,912.30 = 35,472,128.20/x
  3. Step 3: Cross multiply
    112,125,603.40x = 168,156,912.30 × 35,472,128.20
  4. Step 4: Simplify right side
    112,125,603.40x = 5,964,883,550,821,758
  5. Step 5: Solve for x
    x = 5,964,883,550,821,758/112,125,603.40
  6. Step 6: Final answer
    x = 53,198,229.22

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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.