Home / 320,536,178.96-442,335,586.37-179,407,357.43

Finding the Fourth Proportional to 320,536,178.96, 442,335,586.37 and 179,407,357.43

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Solution

The fourth proportional to 320,536,178.96, 442,335,586.37 and 179,407,357.43 is: 247,579,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,536,178.96 : 442,335,586.37 = 179,407,357.43 : x
  2. Step 2: Convert to fraction form
    320,536,178.96/442,335,586.37 = 179,407,357.43/x
  3. Step 3: Cross multiply
    320,536,178.96x = 442,335,586.37 × 179,407,357.43
  4. Step 4: Simplify right side
    320,536,178.96x = 79,358,258,644,782,512
  5. Step 5: Solve for x
    x = 79,358,258,644,782,512/320,536,178.96
  6. Step 6: Final answer
    x = 247,579,723.77

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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.