Home / 142,832,092.92-197,110,447.92-80,122,091.88

Finding the Fourth Proportional to 142,832,092.92, 197,110,447.92 and 80,122,091.88

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Solution

The fourth proportional to 142,832,092.92, 197,110,447.92 and 80,122,091.88 is: 110,569,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,092.92 : 197,110,447.92 = 80,122,091.88 : x
  2. Step 2: Convert to fraction form
    142,832,092.92/197,110,447.92 = 80,122,091.88/x
  3. Step 3: Cross multiply
    142,832,092.92x = 197,110,447.92 × 80,122,091.88
  4. Step 4: Simplify right side
    142,832,092.92x = 15,792,901,418,754,192
  5. Step 5: Solve for x
    x = 15,792,901,418,754,192/142,832,092.92
  6. Step 6: Final answer
    x = 110,569,698.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.