Home / 223,928,906.09-309,023,324.88-124,815,938.07

Finding the Fourth Proportional to 223,928,906.09, 309,023,324.88 and 124,815,938.07

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Solution

The fourth proportional to 223,928,906.09, 309,023,324.88 and 124,815,938.07 is: 172,246,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,928,906.09 : 309,023,324.88 = 124,815,938.07 : x
  2. Step 2: Convert to fraction form
    223,928,906.09/309,023,324.88 = 124,815,938.07/x
  3. Step 3: Cross multiply
    223,928,906.09x = 309,023,324.88 × 124,815,938.07
  4. Step 4: Simplify right side
    223,928,906.09x = 38,571,036,180,407,568
  5. Step 5: Solve for x
    x = 38,571,036,180,407,568/223,928,906.09
  6. Step 6: Final answer
    x = 172,246,794.10

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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.