Home / 168,481,829.25-252,722,743.88-40,831,013.25

Finding the Fourth Proportional to 168,481,829.25, 252,722,743.88 and 40,831,013.25

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Solution

The fourth proportional to 168,481,829.25, 252,722,743.88 and 40,831,013.25 is: 61,246,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,481,829.25 : 252,722,743.88 = 40,831,013.25 : x
  2. Step 2: Convert to fraction form
    168,481,829.25/252,722,743.88 = 40,831,013.25/x
  3. Step 3: Cross multiply
    168,481,829.25x = 252,722,743.88 × 40,831,013.25
  4. Step 4: Simplify right side
    168,481,829.25x = 10,318,925,703,736,482
  5. Step 5: Solve for x
    x = 10,318,925,703,736,482/168,481,829.25
  6. Step 6: Final answer
    x = 61,246,519.88

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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.