Home / 203,405,838.78-280,759,796.15-132,852,234.93

Finding the Fourth Proportional to 203,405,838.78, 280,759,796.15 and 132,852,234.93

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Solution

The fourth proportional to 203,405,838.78, 280,759,796.15 and 132,852,234.93 is: 183,375,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,405,838.78 : 280,759,796.15 = 132,852,234.93 : x
  2. Step 2: Convert to fraction form
    203,405,838.78/280,759,796.15 = 132,852,234.93/x
  3. Step 3: Cross multiply
    203,405,838.78x = 280,759,796.15 × 132,852,234.93
  4. Step 4: Simplify right side
    203,405,838.78x = 37,299,566,396,354,448
  5. Step 5: Solve for x
    x = 37,299,566,396,354,448/203,405,838.78
  6. Step 6: Final answer
    x = 183,375,101.82

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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.