Home / 166,063,819.78-229,168,062.54-89,682,070.24

Finding the Fourth Proportional to 166,063,819.78, 229,168,062.54 and 89,682,070.24

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Solution

The fourth proportional to 166,063,819.78, 229,168,062.54 and 89,682,070.24 is: 123,761,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,063,819.78 : 229,168,062.54 = 89,682,070.24 : x
  2. Step 2: Convert to fraction form
    166,063,819.78/229,168,062.54 = 89,682,070.24/x
  3. Step 3: Cross multiply
    166,063,819.78x = 229,168,062.54 × 89,682,070.24
  4. Step 4: Simplify right side
    166,063,819.78x = 20,552,266,281,476,992
  5. Step 5: Solve for x
    x = 20,552,266,281,476,992/166,063,819.78
  6. Step 6: Final answer
    x = 123,761,252.20

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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.