Home / 168,481,833.25-252,722,749.88-40,831,017.25

Finding the Fourth Proportional to 168,481,833.25, 252,722,749.88 and 40,831,017.25

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Solution

The fourth proportional to 168,481,833.25, 252,722,749.88 and 40,831,017.25 is: 61,246,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,481,833.25 : 252,722,749.88 = 40,831,017.25 : x
  2. Step 2: Convert to fraction form
    168,481,833.25/252,722,749.88 = 40,831,017.25/x
  3. Step 3: Cross multiply
    168,481,833.25x = 252,722,749.88 × 40,831,017.25
  4. Step 4: Simplify right side
    168,481,833.25x = 10,318,926,959,817,716
  5. Step 5: Solve for x
    x = 10,318,926,959,817,716/168,481,833.25
  6. Step 6: Final answer
    x = 61,246,525.88

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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.