Home / 203,229,709.72-280,436,763.36-115,106,119.36

Finding the Fourth Proportional to 203,229,709.72, 280,436,763.36 and 115,106,119.36

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Solution

The fourth proportional to 203,229,709.72, 280,436,763.36 and 115,106,119.36 is: 158,834,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,229,709.72 : 280,436,763.36 = 115,106,119.36 : x
  2. Step 2: Convert to fraction form
    203,229,709.72/280,436,763.36 = 115,106,119.36/x
  3. Step 3: Cross multiply
    203,229,709.72x = 280,436,763.36 × 115,106,119.36
  4. Step 4: Simplify right side
    203,229,709.72x = 32,279,987,556,248,236
  5. Step 5: Solve for x
    x = 32,279,987,556,248,236/203,229,709.72
  6. Step 6: Final answer
    x = 158,834,983.33

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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.