Home / 165,925,121.40-248,887,682.10-149,485,879.80

Finding the Fourth Proportional to 165,925,121.40, 248,887,682.10 and 149,485,879.80

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Solution

The fourth proportional to 165,925,121.40, 248,887,682.10 and 149,485,879.80 is: 224,228,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,925,121.40 : 248,887,682.10 = 149,485,879.80 : x
  2. Step 2: Convert to fraction form
    165,925,121.40/248,887,682.10 = 149,485,879.80/x
  3. Step 3: Cross multiply
    165,925,121.40x = 248,887,682.10 × 149,485,879.80
  4. Step 4: Simplify right side
    165,925,121.40x = 37,205,194,130,101,216
  5. Step 5: Solve for x
    x = 37,205,194,130,101,216/165,925,121.40
  6. Step 6: Final answer
    x = 224,228,819.70

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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.