Home / 142,832,084.10-197,110,435.77-80,122,083.05

Finding the Fourth Proportional to 142,832,084.10, 197,110,435.77 and 80,122,083.05

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Solution

The fourth proportional to 142,832,084.10, 197,110,435.77 and 80,122,083.05 is: 110,569,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,084.10 : 197,110,435.77 = 80,122,083.05 : x
  2. Step 2: Convert to fraction form
    142,832,084.10/197,110,435.77 = 80,122,083.05/x
  3. Step 3: Cross multiply
    142,832,084.10x = 197,110,435.77 × 80,122,083.05
  4. Step 4: Simplify right side
    142,832,084.10x = 15,792,898,705,278,406
  5. Step 5: Solve for x
    x = 15,792,898,705,278,406/142,832,084.10
  6. Step 6: Final answer
    x = 110,569,686.11

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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.