Home / 165,840,090.60-228,932,719.94-107,131,387.72

Finding the Fourth Proportional to 165,840,090.60, 228,932,719.94 and 107,131,387.72

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Solution

The fourth proportional to 165,840,090.60, 228,932,719.94 and 107,131,387.72 is: 147,888,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,840,090.60 : 228,932,719.94 = 107,131,387.72 : x
  2. Step 2: Convert to fraction form
    165,840,090.60/228,932,719.94 = 107,131,387.72/x
  3. Step 3: Cross multiply
    165,840,090.60x = 228,932,719.94 × 107,131,387.72
  4. Step 4: Simplify right side
    165,840,090.60x = 24,525,879,981,686,316
  5. Step 5: Solve for x
    x = 24,525,879,981,686,316/165,840,090.60
  6. Step 6: Final answer
    x = 147,888,727.59

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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.