Home / 87,786,108.26-121,186,837.77-58,466,233.70

Finding the Fourth Proportional to 87,786,108.26, 121,186,837.77 and 58,466,233.70

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Solution

The fourth proportional to 87,786,108.26, 121,186,837.77 and 58,466,233.70 is: 80,711,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,786,108.26 : 121,186,837.77 = 58,466,233.70 : x
  2. Step 2: Convert to fraction form
    87,786,108.26/121,186,837.77 = 58,466,233.70/x
  3. Step 3: Cross multiply
    87,786,108.26x = 121,186,837.77 × 58,466,233.70
  4. Step 4: Simplify right side
    87,786,108.26x = 7,085,337,978,424,807
  5. Step 5: Solve for x
    x = 7,085,337,978,424,807/87,786,108.26
  6. Step 6: Final answer
    x = 80,711,380.41

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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.