Home / 203,940,470.17-281,437,889.33-111,120,978.01

Finding the Fourth Proportional to 203,940,470.17, 281,437,889.33 and 111,120,978.01

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Solution

The fourth proportional to 203,940,470.17, 281,437,889.33 and 111,120,978.01 is: 153,346,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,470.17 : 281,437,889.33 = 111,120,978.01 : x
  2. Step 2: Convert to fraction form
    203,940,470.17/281,437,889.33 = 111,120,978.01/x
  3. Step 3: Cross multiply
    203,940,470.17x = 281,437,889.33 × 111,120,978.01
  4. Step 4: Simplify right side
    203,940,470.17x = 31,273,653,509,456,948
  5. Step 5: Solve for x
    x = 31,273,653,509,456,948/203,940,470.17
  6. Step 6: Final answer
    x = 153,346,971.71

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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.