Home / 126,036,100.80-189,054,151.20-45,265,233.60

Finding the Fourth Proportional to 126,036,100.80, 189,054,151.20 and 45,265,233.60

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Solution

The fourth proportional to 126,036,100.80, 189,054,151.20 and 45,265,233.60 is: 67,897,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036,100.80 : 189,054,151.20 = 45,265,233.60 : x
  2. Step 2: Convert to fraction form
    126,036,100.80/189,054,151.20 = 45,265,233.60/x
  3. Step 3: Cross multiply
    126,036,100.80x = 189,054,151.20 × 45,265,233.60
  4. Step 4: Simplify right side
    126,036,100.80x = 8,557,580,317,117,720
  5. Step 5: Solve for x
    x = 8,557,580,317,117,720/126,036,100.80
  6. Step 6: Final answer
    x = 67,897,850.40

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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.