Home / 142,033,001.92-196,005,584.64-80,166,446.08

Finding the Fourth Proportional to 142,033,001.92, 196,005,584.64 and 80,166,446.08

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Solution

The fourth proportional to 142,033,001.92, 196,005,584.64 and 80,166,446.08 is: 110,629,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,033,001.92 : 196,005,584.64 = 80,166,446.08 : x
  2. Step 2: Convert to fraction form
    142,033,001.92/196,005,584.64 = 80,166,446.08/x
  3. Step 3: Cross multiply
    142,033,001.92x = 196,005,584.64 × 80,166,446.08
  4. Step 4: Simplify right side
    142,033,001.92x = 15,713,071,132,421,434
  5. Step 5: Solve for x
    x = 15,713,071,132,421,434/142,033,001.92
  6. Step 6: Final answer
    x = 110,629,719.29

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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.