Home / 87,786,799.11-121,145,740.29-52,504,603.38

Finding the Fourth Proportional to 87,786,799.11, 121,145,740.29 and 52,504,603.38

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Solution

The fourth proportional to 87,786,799.11, 121,145,740.29 and 52,504,603.38 is: 72,456,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,786,799.11 : 121,145,740.29 = 52,504,603.38 : x
  2. Step 2: Convert to fraction form
    87,786,799.11/121,145,740.29 = 52,504,603.38/x
  3. Step 3: Cross multiply
    87,786,799.11x = 121,145,740.29 × 52,504,603.38
  4. Step 4: Simplify right side
    87,786,799.11x = 6,360,709,045,102,937
  5. Step 5: Solve for x
    x = 6,360,709,045,102,937/87,786,799.11
  6. Step 6: Final answer
    x = 72,456,327.26

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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.