Home / 126,609,033.62-189,910,007.46-40,352,616.38

Finding the Fourth Proportional to 126,609,033.62, 189,910,007.46 and 40,352,616.38

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Solution

The fourth proportional to 126,609,033.62, 189,910,007.46 and 40,352,616.38 is: 60,527,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609,033.62 : 189,910,007.46 = 40,352,616.38 : x
  2. Step 2: Convert to fraction form
    126,609,033.62/189,910,007.46 = 40,352,616.38/x
  3. Step 3: Cross multiply
    126,609,033.62x = 189,910,007.46 × 40,352,616.38
  4. Step 4: Simplify right side
    126,609,033.62x = 7,663,365,677,756,319
  5. Step 5: Solve for x
    x = 7,663,365,677,756,319/126,609,033.62
  6. Step 6: Final answer
    x = 60,527,795.36

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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.