Home / 142,832,084.53-197,110,436.37-80,122,083.49

Finding the Fourth Proportional to 142,832,084.53, 197,110,436.37 and 80,122,083.49

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Solution

The fourth proportional to 142,832,084.53, 197,110,436.37 and 80,122,083.49 is: 110,569,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,084.53 : 197,110,436.37 = 80,122,083.49 : x
  2. Step 2: Convert to fraction form
    142,832,084.53/197,110,436.37 = 80,122,083.49/x
  3. Step 3: Cross multiply
    142,832,084.53x = 197,110,436.37 × 80,122,083.49
  4. Step 4: Simplify right side
    142,832,084.53x = 15,792,898,839,587,472
  5. Step 5: Solve for x
    x = 15,792,898,839,587,472/142,832,084.53
  6. Step 6: Final answer
    x = 110,569,686.72

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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.