Home / 222,565,974.89-307,177,824.22-123,478,646.13

Finding the Fourth Proportional to 222,565,974.89, 307,177,824.22 and 123,478,646.13

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Solution

The fourth proportional to 222,565,974.89, 307,177,824.22 and 123,478,646.13 is: 170,420,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565,974.89 : 307,177,824.22 = 123,478,646.13 : x
  2. Step 2: Convert to fraction form
    222,565,974.89/307,177,824.22 = 123,478,646.13/x
  3. Step 3: Cross multiply
    222,565,974.89x = 307,177,824.22 × 123,478,646.13
  4. Step 4: Simplify right side
    222,565,974.89x = 37,929,901,855,536,024
  5. Step 5: Solve for x
    x = 37,929,901,855,536,024/222,565,974.89
  6. Step 6: Final answer
    x = 170,420,936.42

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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.