Home / 168,403,906.20-252,605,859.30-155,806,786.20

Finding the Fourth Proportional to 168,403,906.20, 252,605,859.30 and 155,806,786.20

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Solution

The fourth proportional to 168,403,906.20, 252,605,859.30 and 155,806,786.20 is: 233,710,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,403,906.20 : 252,605,859.30 = 155,806,786.20 : x
  2. Step 2: Convert to fraction form
    168,403,906.20/252,605,859.30 = 155,806,786.20/x
  3. Step 3: Cross multiply
    168,403,906.20x = 252,605,859.30 × 155,806,786.20
  4. Step 4: Simplify right side
    168,403,906.20x = 39,357,707,112,822,384
  5. Step 5: Solve for x
    x = 39,357,707,112,822,384/168,403,906.20
  6. Step 6: Final answer
    x = 233,710,179.30

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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.