Home / 142,832,086.92-197,110,439.64-80,122,085.88

Finding the Fourth Proportional to 142,832,086.92, 197,110,439.64 and 80,122,085.88

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Solution

The fourth proportional to 142,832,086.92, 197,110,439.64 and 80,122,085.88 is: 110,569,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,086.92 : 197,110,439.64 = 80,122,085.88 : x
  2. Step 2: Convert to fraction form
    142,832,086.92/197,110,439.64 = 80,122,085.88/x
  3. Step 3: Cross multiply
    142,832,086.92x = 197,110,439.64 × 80,122,085.88
  4. Step 4: Simplify right side
    142,832,086.92x = 15,792,899,572,680,634
  5. Step 5: Solve for x
    x = 15,792,899,572,680,634/142,832,086.92
  6. Step 6: Final answer
    x = 110,569,690.00

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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.