Home / 81,837,561.85-113,083,564.47-58,275,191.70

Finding the Fourth Proportional to 81,837,561.85, 113,083,564.47 and 58,275,191.70

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Solution

The fourth proportional to 81,837,561.85, 113,083,564.47 and 58,275,191.70 is: 80,524,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,837,561.85 : 113,083,564.47 = 58,275,191.70 : x
  2. Step 2: Convert to fraction form
    81,837,561.85/113,083,564.47 = 58,275,191.70/x
  3. Step 3: Cross multiply
    81,837,561.85x = 113,083,564.47 × 58,275,191.70
  4. Step 4: Simplify right side
    81,837,561.85x = 6,589,966,397,467,204
  5. Step 5: Solve for x
    x = 6,589,966,397,467,204/81,837,561.85
  6. Step 6: Final answer
    x = 80,524,960.04

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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.