Home / 165,969,345.40-248,954,018.10-149,530,103.80

Finding the Fourth Proportional to 165,969,345.40, 248,954,018.10 and 149,530,103.80

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Solution

The fourth proportional to 165,969,345.40, 248,954,018.10 and 149,530,103.80 is: 224,295,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,969,345.40 : 248,954,018.10 = 149,530,103.80 : x
  2. Step 2: Convert to fraction form
    165,969,345.40/248,954,018.10 = 149,530,103.80/x
  3. Step 3: Cross multiply
    165,969,345.40x = 248,954,018.10 × 149,530,103.80
  4. Step 4: Simplify right side
    165,969,345.40x = 37,226,120,167,920,080
  5. Step 5: Solve for x
    x = 37,226,120,167,920,080/165,969,345.40
  6. Step 6: Final answer
    x = 224,295,155.70

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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.