Home / 245,608,266.68-338,969,129.22-139,787,410.80

Finding the Fourth Proportional to 245,608,266.68, 338,969,129.22 and 139,787,410.80

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Solution

The fourth proportional to 245,608,266.68, 338,969,129.22 and 139,787,410.80 is: 192,923,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,608,266.68 : 338,969,129.22 = 139,787,410.80 : x
  2. Step 2: Convert to fraction form
    245,608,266.68/338,969,129.22 = 139,787,410.80/x
  3. Step 3: Cross multiply
    245,608,266.68x = 338,969,129.22 × 139,787,410.80
  4. Step 4: Simplify right side
    245,608,266.68x = 47,383,616,914,794,432
  5. Step 5: Solve for x
    x = 47,383,616,914,794,432/245,608,266.68
  6. Step 6: Final answer
    x = 192,923,542.66

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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.