Home / 126,609,031.61-189,910,004.46-40,352,614.37

Finding the Fourth Proportional to 126,609,031.61, 189,910,004.46 and 40,352,614.37

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Solution

The fourth proportional to 126,609,031.61, 189,910,004.46 and 40,352,614.37 is: 60,527,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609,031.61 : 189,910,004.46 = 40,352,614.37 : x
  2. Step 2: Convert to fraction form
    126,609,031.61/189,910,004.46 = 40,352,614.37/x
  3. Step 3: Cross multiply
    126,609,031.61x = 189,910,004.46 × 40,352,614.37
  4. Step 4: Simplify right side
    126,609,031.61x = 7,663,365,174,979,360
  5. Step 5: Solve for x
    x = 7,663,365,174,979,360/126,609,031.61
  6. Step 6: Final answer
    x = 60,527,792.35

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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.