Home / 56,555,380.78-84,839,715.09-20,168,944.11

Finding the Fourth Proportional to 56,555,380.78, 84,839,715.09 and 20,168,944.11

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Solution

The fourth proportional to 56,555,380.78, 84,839,715.09 and 20,168,944.11 is: 30,255,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,555,380.78 : 84,839,715.09 = 20,168,944.11 : x
  2. Step 2: Convert to fraction form
    56,555,380.78/84,839,715.09 = 20,168,944.11/x
  3. Step 3: Cross multiply
    56,555,380.78x = 84,839,715.09 × 20,168,944.11
  4. Step 4: Simplify right side
    56,555,380.78x = 1,711,127,471,958,533.75
  5. Step 5: Solve for x
    x = 1,711,127,471,958,533.75/56,555,380.78
  6. Step 6: Final answer
    x = 30,255,785.54

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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.