Home / 203,940,479.86-281,437,902.66-111,120,987.70

Finding the Fourth Proportional to 203,940,479.86, 281,437,902.66 and 111,120,987.70

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Solution

The fourth proportional to 203,940,479.86, 281,437,902.66 and 111,120,987.70 is: 153,346,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,479.86 : 281,437,902.66 = 111,120,987.70 : x
  2. Step 2: Convert to fraction form
    203,940,479.86/281,437,902.66 = 111,120,987.70/x
  3. Step 3: Cross multiply
    203,940,479.86x = 281,437,902.66 × 111,120,987.70
  4. Step 4: Simplify right side
    203,940,479.86x = 31,273,657,719,795,660
  5. Step 5: Solve for x
    x = 31,273,657,719,795,660/203,940,479.86
  6. Step 6: Final answer
    x = 153,346,985.07

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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.