Home / 57,192,502.86-78,925,749.30-31,086,954.54

Finding the Fourth Proportional to 57,192,502.86, 78,925,749.30 and 31,086,954.54

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Solution

The fourth proportional to 57,192,502.86, 78,925,749.30 and 31,086,954.54 is: 42,900,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192,502.86 : 78,925,749.30 = 31,086,954.54 : x
  2. Step 2: Convert to fraction form
    57,192,502.86/78,925,749.30 = 31,086,954.54/x
  3. Step 3: Cross multiply
    57,192,502.86x = 78,925,749.30 × 31,086,954.54
  4. Step 4: Simplify right side
    57,192,502.86x = 2,453,561,180,524,536.50
  5. Step 5: Solve for x
    x = 2,453,561,180,524,536.50/57,192,502.86
  6. Step 6: Final answer
    x = 42,900,049.09

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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.