Home / 65,412,358.27-90,264,986.45-36,042,047.21

Finding the Fourth Proportional to 65,412,358.27, 90,264,986.45 and 36,042,047.21

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Solution

The fourth proportional to 65,412,358.27, 90,264,986.45 and 36,042,047.21 is: 49,735,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,412,358.27 : 90,264,986.45 = 36,042,047.21 : x
  2. Step 2: Convert to fraction form
    65,412,358.27/90,264,986.45 = 36,042,047.21/x
  3. Step 3: Cross multiply
    65,412,358.27x = 90,264,986.45 × 36,042,047.21
  4. Step 4: Simplify right side
    65,412,358.27x = 3,253,334,903,040,910.50
  5. Step 5: Solve for x
    x = 3,253,334,903,040,910.50/65,412,358.27
  6. Step 6: Final answer
    x = 49,735,783.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.