Home / 51,231,149.09-70,699,543.76-28,025,777.83

Finding the Fourth Proportional to 51,231,149.09, 70,699,543.76 and 28,025,777.83

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Solution

The fourth proportional to 51,231,149.09, 70,699,543.76 and 28,025,777.83 is: 38,675,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231,149.09 : 70,699,543.76 = 28,025,777.83 : x
  2. Step 2: Convert to fraction form
    51,231,149.09/70,699,543.76 = 28,025,777.83/x
  3. Step 3: Cross multiply
    51,231,149.09x = 70,699,543.76 × 28,025,777.83
  4. Step 4: Simplify right side
    51,231,149.09x = 1,981,409,706,100,122.75
  5. Step 5: Solve for x
    x = 1,981,409,706,100,122.75/51,231,149.09
  6. Step 6: Final answer
    x = 38,675,878.67

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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.