Home / 278,167,660.72-417,081,429.96-132,645,730.48

Finding the Fourth Proportional to 278,167,660.72, 417,081,429.96 and 132,645,730.48

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Solution

The fourth proportional to 278,167,660.72, 417,081,429.96 and 132,645,730.48 is: 198,887,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,167,660.72 : 417,081,429.96 = 132,645,730.48 : x
  2. Step 2: Convert to fraction form
    278,167,660.72/417,081,429.96 = 132,645,730.48/x
  3. Step 3: Cross multiply
    278,167,660.72x = 417,081,429.96 × 132,645,730.48
  4. Step 4: Simplify right side
    278,167,660.72x = 55,324,070,946,687,160
  5. Step 5: Solve for x
    x = 55,324,070,946,687,160/278,167,660.72
  6. Step 6: Final answer
    x = 198,887,501.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.