Home / 165,998,710.20-229,097,649.87-138,072,150.66

Finding the Fourth Proportional to 165,998,710.20, 229,097,649.87 and 138,072,150.66

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Solution

The fourth proportional to 165,998,710.20, 229,097,649.87 and 138,072,150.66 is: 190,555,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,998,710.20 : 229,097,649.87 = 138,072,150.66 : x
  2. Step 2: Convert to fraction form
    165,998,710.20/229,097,649.87 = 138,072,150.66/x
  3. Step 3: Cross multiply
    165,998,710.20x = 229,097,649.87 × 138,072,150.66
  4. Step 4: Simplify right side
    165,998,710.20x = 31,632,005,228,702,568
  5. Step 5: Solve for x
    x = 31,632,005,228,702,568/165,998,710.20
  6. Step 6: Final answer
    x = 190,555,728.96

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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.