Home / 188,082,128.20-282,123,192.30-167,993,658.40

Finding the Fourth Proportional to 188,082,128.20, 282,123,192.30 and 167,993,658.40

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Solution

The fourth proportional to 188,082,128.20, 282,123,192.30 and 167,993,658.40 is: 251,990,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,082,128.20 : 282,123,192.30 = 167,993,658.40 : x
  2. Step 2: Convert to fraction form
    188,082,128.20/282,123,192.30 = 167,993,658.40/x
  3. Step 3: Cross multiply
    188,082,128.20x = 282,123,192.30 × 167,993,658.40
  4. Step 4: Simplify right side
    188,082,128.20x = 47,394,907,193,963,712
  5. Step 5: Solve for x
    x = 47,394,907,193,963,712/188,082,128.20
  6. Step 6: Final answer
    x = 251,990,487.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.