Home / 203,982,664.56-281,488,927.32-111,161,278.32

Finding the Fourth Proportional to 203,982,664.56, 281,488,927.32 and 111,161,278.32

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Solution

The fourth proportional to 203,982,664.56, 281,488,927.32 and 111,161,278.32 is: 153,398,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,982,664.56 : 281,488,927.32 = 111,161,278.32 : x
  2. Step 2: Convert to fraction form
    203,982,664.56/281,488,927.32 = 111,161,278.32/x
  3. Step 3: Cross multiply
    203,982,664.56x = 281,488,927.32 × 111,161,278.32
  4. Step 4: Simplify right side
    203,982,664.56x = 31,290,668,993,816,768
  5. Step 5: Solve for x
    x = 31,290,668,993,816,768/203,982,664.56
  6. Step 6: Final answer
    x = 153,398,667.78

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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.