Home / 142,832,088.10-197,110,441.30-80,122,087.06

Finding the Fourth Proportional to 142,832,088.10, 197,110,441.30 and 80,122,087.06

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Solution

The fourth proportional to 142,832,088.10, 197,110,441.30 and 80,122,087.06 is: 110,569,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,088.10 : 197,110,441.30 = 80,122,087.06 : x
  2. Step 2: Convert to fraction form
    142,832,088.10/197,110,441.30 = 80,122,087.06/x
  3. Step 3: Cross multiply
    142,832,088.10x = 197,110,441.30 × 80,122,087.06
  4. Step 4: Simplify right side
    142,832,088.10x = 15,792,899,938,273,622
  5. Step 5: Solve for x
    x = 15,792,899,938,273,622/142,832,088.10
  6. Step 6: Final answer
    x = 110,569,691.65

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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.