Home / 231,094,789.29-318,724,856.10-203,157,766.35

Finding the Fourth Proportional to 231,094,789.29, 318,724,856.10 and 203,157,766.35

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Solution

The fourth proportional to 231,094,789.29, 318,724,856.10 and 203,157,766.35 is: 280,194,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,094,789.29 : 318,724,856.10 = 203,157,766.35 : x
  2. Step 2: Convert to fraction form
    231,094,789.29/318,724,856.10 = 203,157,766.35/x
  3. Step 3: Cross multiply
    231,094,789.29x = 318,724,856.10 × 203,157,766.35
  4. Step 4: Simplify right side
    231,094,789.29x = 64,751,429,845,501,176
  5. Step 5: Solve for x
    x = 64,751,429,845,501,176/231,094,789.29
  6. Step 6: Final answer
    x = 280,194,244.29

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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.