Home / 76,615,057.09-105,731,021.91-41,809,990.91

Finding the Fourth Proportional to 76,615,057.09, 105,731,021.91 and 41,809,990.91

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Solution

The fourth proportional to 76,615,057.09, 105,731,021.91 and 41,809,990.91 is: 57,699,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,057.09 : 105,731,021.91 = 41,809,990.91 : x
  2. Step 2: Convert to fraction form
    76,615,057.09/105,731,021.91 = 41,809,990.91/x
  3. Step 3: Cross multiply
    76,615,057.09x = 105,731,021.91 × 41,809,990.91
  4. Step 4: Simplify right side
    76,615,057.09x = 4,420,613,065,383,225.50
  5. Step 5: Solve for x
    x = 4,420,613,065,383,225.50/76,615,057.09
  6. Step 6: Final answer
    x = 57,699,011.57

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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.