Home / 203,940,473.81-281,437,894.33-111,120,981.62

Finding the Fourth Proportional to 203,940,473.81, 281,437,894.33 and 111,120,981.62

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Solution

The fourth proportional to 203,940,473.81, 281,437,894.33 and 111,120,981.62 is: 153,346,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,473.81 : 281,437,894.33 = 111,120,981.62 : x
  2. Step 2: Convert to fraction form
    203,940,473.81/281,437,894.33 = 111,120,981.62/x
  3. Step 3: Cross multiply
    203,940,473.81x = 281,437,894.33 × 111,120,981.62
  4. Step 4: Simplify right side
    203,940,473.81x = 31,273,655,081,330,436
  5. Step 5: Solve for x
    x = 31,273,655,081,330,436/203,940,473.81
  6. Step 6: Final answer
    x = 153,346,976.68

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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.