Home / 168,027,904.80-251,481,985.20-121,838,464.80

Finding the Fourth Proportional to 168,027,904.80, 251,481,985.20 and 121,838,464.80

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Solution

The fourth proportional to 168,027,904.80, 251,481,985.20 and 121,838,464.80 is: 182,351,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,027,904.80 : 251,481,985.20 = 121,838,464.80 : x
  2. Step 2: Convert to fraction form
    168,027,904.80/251,481,985.20 = 121,838,464.80/x
  3. Step 3: Cross multiply
    168,027,904.80x = 251,481,985.20 × 121,838,464.80
  4. Step 4: Simplify right side
    168,027,904.80x = 30,640,179,001,624,320
  5. Step 5: Solve for x
    x = 30,640,179,001,624,320/168,027,904.80
  6. Step 6: Final answer
    x = 182,351,729.24

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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.