Home / 166,063,806.99-229,168,044.90-89,682,057.45

Finding the Fourth Proportional to 166,063,806.99, 229,168,044.90 and 89,682,057.45

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Solution

The fourth proportional to 166,063,806.99, 229,168,044.90 and 89,682,057.45 is: 123,761,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,063,806.99 : 229,168,044.90 = 89,682,057.45 : x
  2. Step 2: Convert to fraction form
    166,063,806.99/229,168,044.90 = 89,682,057.45/x
  3. Step 3: Cross multiply
    166,063,806.99x = 229,168,044.90 × 89,682,057.45
  4. Step 4: Simplify right side
    166,063,806.99x = 20,552,261,768,425,980
  5. Step 5: Solve for x
    x = 20,552,261,768,425,980/166,063,806.99
  6. Step 6: Final answer
    x = 123,761,234.56

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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.