Home / 126,343,975.11-189,515,962.67-45,564,943.11

Finding the Fourth Proportional to 126,343,975.11, 189,515,962.67 and 45,564,943.11

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Solution

The fourth proportional to 126,343,975.11, 189,515,962.67 and 45,564,943.11 is: 68,347,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,343,975.11 : 189,515,962.67 = 45,564,943.11 : x
  2. Step 2: Convert to fraction form
    126,343,975.11/189,515,962.67 = 45,564,943.11/x
  3. Step 3: Cross multiply
    126,343,975.11x = 189,515,962.67 × 45,564,943.11
  4. Step 4: Simplify right side
    126,343,975.11x = 8,635,284,057,267,608
  5. Step 5: Solve for x
    x = 8,635,284,057,267,608/126,343,975.11
  6. Step 6: Final answer
    x = 68,347,414.67

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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.