Home / 368,786,944.80-553,208,410.80-109,981,965.60

Finding the Fourth Proportional to 368,786,944.80, 553,208,410.80 and 109,981,965.60

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Solution

The fourth proportional to 368,786,944.80, 553,208,410.80 and 109,981,965.60 is: 164,981,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,786,944.80 : 553,208,410.80 = 109,981,965.60 : x
  2. Step 2: Convert to fraction form
    368,786,944.80/553,208,410.80 = 109,981,965.60/x
  3. Step 3: Cross multiply
    368,786,944.80x = 553,208,410.80 × 109,981,965.60
  4. Step 4: Simplify right side
    368,786,944.80x = 60,842,948,406,236,256
  5. Step 5: Solve for x
    x = 60,842,948,406,236,256/368,786,944.80
  6. Step 6: Final answer
    x = 164,981,296.83

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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.