Home / 165,455,455.68-248,222,549.52-83,372,621.76

Finding the Fourth Proportional to 165,455,455.68, 248,222,549.52 and 83,372,621.76

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Solution

The fourth proportional to 165,455,455.68, 248,222,549.52 and 83,372,621.76 is: 125,078,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,455,455.68 : 248,222,549.52 = 83,372,621.76 : x
  2. Step 2: Convert to fraction form
    165,455,455.68/248,222,549.52 = 83,372,621.76/x
  3. Step 3: Cross multiply
    165,455,455.68x = 248,222,549.52 × 83,372,621.76
  4. Step 4: Simplify right side
    165,455,455.68x = 20,694,964,733,433,832
  5. Step 5: Solve for x
    x = 20,694,964,733,433,832/165,455,455.68
  6. Step 6: Final answer
    x = 125,078,769.08

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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.