Home / 142,690,110.83-196,914,932.85-80,823,252.59

Finding the Fourth Proportional to 142,690,110.83, 196,914,932.85 and 80,823,252.59

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Solution

The fourth proportional to 142,690,110.83, 196,914,932.85 and 80,823,252.59 is: 111,537,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,690,110.83 : 196,914,932.85 = 80,823,252.59 : x
  2. Step 2: Convert to fraction form
    142,690,110.83/196,914,932.85 = 80,823,252.59/x
  3. Step 3: Cross multiply
    142,690,110.83x = 196,914,932.85 × 80,823,252.59
  4. Step 4: Simplify right side
    142,690,110.83x = 15,915,305,355,493,862
  5. Step 5: Solve for x
    x = 15,915,305,355,493,862/142,690,110.83
  6. Step 6: Final answer
    x = 111,537,549.89

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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.