Home / 68,332,330.80-102,507,487.20-25,231,809.60

Finding the Fourth Proportional to 68,332,330.80, 102,507,487.20 and 25,231,809.60

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Solution

The fourth proportional to 68,332,330.80, 102,507,487.20 and 25,231,809.60 is: 37,851,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,332,330.80 : 102,507,487.20 = 25,231,809.60 : x
  2. Step 2: Convert to fraction form
    68,332,330.80/102,507,487.20 = 25,231,809.60/x
  3. Step 3: Cross multiply
    68,332,330.80x = 102,507,487.20 × 25,231,809.60
  4. Step 4: Simplify right side
    68,332,330.80x = 2,586,449,399,604,837.50
  5. Step 5: Solve for x
    x = 2,586,449,399,604,837.50/68,332,330.80
  6. Step 6: Final answer
    x = 37,851,034.34

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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.