Home / 142,832,092.42-197,110,447.23-80,122,091.38

Finding the Fourth Proportional to 142,832,092.42, 197,110,447.23 and 80,122,091.38

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Solution

The fourth proportional to 142,832,092.42, 197,110,447.23 and 80,122,091.38 is: 110,569,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,092.42 : 197,110,447.23 = 80,122,091.38 : x
  2. Step 2: Convert to fraction form
    142,832,092.42/197,110,447.23 = 80,122,091.38/x
  3. Step 3: Cross multiply
    142,832,092.42x = 197,110,447.23 × 80,122,091.38
  4. Step 4: Simplify right side
    142,832,092.42x = 15,792,901,264,914,726
  5. Step 5: Solve for x
    x = 15,792,901,264,914,726/142,832,092.42
  6. Step 6: Final answer
    x = 110,569,697.59

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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.