Home / 168,481,837.50-252,722,756.25-40,831,021.50

Finding the Fourth Proportional to 168,481,837.50, 252,722,756.25 and 40,831,021.50

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Solution

The fourth proportional to 168,481,837.50, 252,722,756.25 and 40,831,021.50 is: 61,246,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,481,837.50 : 252,722,756.25 = 40,831,021.50 : x
  2. Step 2: Convert to fraction form
    168,481,837.50/252,722,756.25 = 40,831,021.50/x
  3. Step 3: Cross multiply
    168,481,837.50x = 252,722,756.25 × 40,831,021.50
  4. Step 4: Simplify right side
    168,481,837.50x = 10,318,928,293,983,010
  5. Step 5: Solve for x
    x = 10,318,928,293,983,010/168,481,837.50
  6. Step 6: Final answer
    x = 61,246,532.25

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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.