Home / 126,177,996.15-189,284,708.93-39,907,407.15

Finding the Fourth Proportional to 126,177,996.15, 189,284,708.93 and 39,907,407.15

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Solution

The fourth proportional to 126,177,996.15, 189,284,708.93 and 39,907,407.15 is: 59,866,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,177,996.15 : 189,284,708.93 = 39,907,407.15 : x
  2. Step 2: Convert to fraction form
    126,177,996.15/189,284,708.93 = 39,907,407.15/x
  3. Step 3: Cross multiply
    126,177,996.15x = 189,284,708.93 × 39,907,407.15
  4. Step 4: Simplify right side
    126,177,996.15x = 7,553,861,946,339,214
  5. Step 5: Solve for x
    x = 7,553,861,946,339,214/126,177,996.15
  6. Step 6: Final answer
    x = 59,866,713.51

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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.