Home / 203,940,472.67-281,437,892.78-111,120,980.51

Finding the Fourth Proportional to 203,940,472.67, 281,437,892.78 and 111,120,980.51

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Solution

The fourth proportional to 203,940,472.67, 281,437,892.78 and 111,120,980.51 is: 153,346,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,472.67 : 281,437,892.78 = 111,120,980.51 : x
  2. Step 2: Convert to fraction form
    203,940,472.67/281,437,892.78 = 111,120,980.51/x
  3. Step 3: Cross multiply
    203,940,472.67x = 281,437,892.78 × 111,120,980.51
  4. Step 4: Simplify right side
    203,940,472.67x = 31,273,654,598,381,848
  5. Step 5: Solve for x
    x = 31,273,654,598,381,848/203,940,472.67
  6. Step 6: Final answer
    x = 153,346,975.17

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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.