Home / 201,845,963.20-278,547,540.60-109,026,470.92

Finding the Fourth Proportional to 201,845,963.20, 278,547,540.60 and 109,026,470.92

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Solution

The fourth proportional to 201,845,963.20, 278,547,540.60 and 109,026,470.92 is: 150,456,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,963.20 : 278,547,540.60 = 109,026,470.92 : x
  2. Step 2: Convert to fraction form
    201,845,963.20/278,547,540.60 = 109,026,470.92/x
  3. Step 3: Cross multiply
    201,845,963.20x = 278,547,540.60 × 109,026,470.92
  4. Step 4: Simplify right side
    201,845,963.20x = 30,369,055,335,063,424
  5. Step 5: Solve for x
    x = 30,369,055,335,063,424/201,845,963.20
  6. Step 6: Final answer
    x = 150,456,590.03

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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.