Home / 286,787,979.55-430,181,313.22-122,919,481.27

Finding the Fourth Proportional to 286,787,979.55, 430,181,313.22 and 122,919,481.27

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Solution

The fourth proportional to 286,787,979.55, 430,181,313.22 and 122,919,481.27 is: 184,378,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,787,979.55 : 430,181,313.22 = 122,919,481.27 : x
  2. Step 2: Convert to fraction form
    286,787,979.55/430,181,313.22 = 122,919,481.27/x
  3. Step 3: Cross multiply
    286,787,979.55x = 430,181,313.22 × 122,919,481.27
  4. Step 4: Simplify right side
    286,787,979.55x = 52,877,663,873,049,792
  5. Step 5: Solve for x
    x = 52,877,663,873,049,792/286,787,979.55
  6. Step 6: Final answer
    x = 184,378,940.69

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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.