Home / 165,978,186.60-248,967,279.90-89,450,682.60

Finding the Fourth Proportional to 165,978,186.60, 248,967,279.90 and 89,450,682.60

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Solution

The fourth proportional to 165,978,186.60, 248,967,279.90 and 89,450,682.60 is: 134,176,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,978,186.60 : 248,967,279.90 = 89,450,682.60 : x
  2. Step 2: Convert to fraction form
    165,978,186.60/248,967,279.90 = 89,450,682.60/x
  3. Step 3: Cross multiply
    165,978,186.60x = 248,967,279.90 × 89,450,682.60
  4. Step 4: Simplify right side
    165,978,186.60x = 22,270,293,132,120,260
  5. Step 5: Solve for x
    x = 22,270,293,132,120,260/165,978,186.60
  6. Step 6: Final answer
    x = 134,176,023.90

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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.