Home / 87,786,800.11-121,145,741.67-52,504,604.38

Finding the Fourth Proportional to 87,786,800.11, 121,145,741.67 and 52,504,604.38

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Solution

The fourth proportional to 87,786,800.11, 121,145,741.67 and 52,504,604.38 is: 72,456,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,786,800.11 : 121,145,741.67 = 52,504,604.38 : x
  2. Step 2: Convert to fraction form
    87,786,800.11/121,145,741.67 = 52,504,604.38/x
  3. Step 3: Cross multiply
    87,786,800.11x = 121,145,741.67 × 52,504,604.38
  4. Step 4: Simplify right side
    87,786,800.11x = 6,360,709,238,705,031
  5. Step 5: Solve for x
    x = 6,360,709,238,705,031/87,786,800.11
  6. Step 6: Final answer
    x = 72,456,328.64

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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.