Home / 136,030,188.80-187,720,132.56-74,149,169.60

Finding the Fourth Proportional to 136,030,188.80, 187,720,132.56 and 74,149,169.60

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Solution

The fourth proportional to 136,030,188.80, 187,720,132.56 and 74,149,169.60 is: 102,325,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,030,188.80 : 187,720,132.56 = 74,149,169.60 : x
  2. Step 2: Convert to fraction form
    136,030,188.80/187,720,132.56 = 74,149,169.60/x
  3. Step 3: Cross multiply
    136,030,188.80x = 187,720,132.56 × 74,149,169.60
  4. Step 4: Simplify right side
    136,030,188.80x = 13,919,291,946,525,922
  5. Step 5: Solve for x
    x = 13,919,291,946,525,922/136,030,188.80
  6. Step 6: Final answer
    x = 102,325,021.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.