Home / 142,714,449.30-196,951,353.69-79,991,706.54

Finding the Fourth Proportional to 142,714,449.30, 196,951,353.69 and 79,991,706.54

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Solution

The fourth proportional to 142,714,449.30, 196,951,353.69 and 79,991,706.54 is: 110,391,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,714,449.30 : 196,951,353.69 = 79,991,706.54 : x
  2. Step 2: Convert to fraction form
    142,714,449.30/196,951,353.69 = 79,991,706.54/x
  3. Step 3: Cross multiply
    142,714,449.30x = 196,951,353.69 × 79,991,706.54
  4. Step 4: Simplify right side
    142,714,449.30x = 15,754,474,887,026,228
  5. Step 5: Solve for x
    x = 15,754,474,887,026,228/142,714,449.30
  6. Step 6: Final answer
    x = 110,391,589.39

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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.