Home / 203,982,651.06-281,488,908.69-111,161,264.82

Finding the Fourth Proportional to 203,982,651.06, 281,488,908.69 and 111,161,264.82

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Solution

The fourth proportional to 203,982,651.06, 281,488,908.69 and 111,161,264.82 is: 153,398,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,982,651.06 : 281,488,908.69 = 111,161,264.82 : x
  2. Step 2: Convert to fraction form
    203,982,651.06/281,488,908.69 = 111,161,264.82/x
  3. Step 3: Cross multiply
    203,982,651.06x = 281,488,908.69 × 111,161,264.82
  4. Step 4: Simplify right side
    203,982,651.06x = 31,290,663,122,781,888
  5. Step 5: Solve for x
    x = 31,290,663,122,781,888/203,982,651.06
  6. Step 6: Final answer
    x = 153,398,649.15

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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.