Home / 203,940,511.36-281,437,946.08-111,121,019.20

Finding the Fourth Proportional to 203,940,511.36, 281,437,946.08 and 111,121,019.20

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Solution

The fourth proportional to 203,940,511.36, 281,437,946.08 and 111,121,019.20 is: 153,347,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,511.36 : 281,437,946.08 = 111,121,019.20 : x
  2. Step 2: Convert to fraction form
    203,940,511.36/281,437,946.08 = 111,121,019.20/x
  3. Step 3: Cross multiply
    203,940,511.36x = 281,437,946.08 × 111,121,019.20
  4. Step 4: Simplify right side
    203,940,511.36x = 31,273,671,409,964,244
  5. Step 5: Solve for x
    x = 31,273,671,409,964,244/203,940,511.36
  6. Step 6: Final answer
    x = 153,347,028.51

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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.