Home / 76,615,057.53-105,731,022.52-41,809,991.35

Finding the Fourth Proportional to 76,615,057.53, 105,731,022.52 and 41,809,991.35

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Solution

The fourth proportional to 76,615,057.53, 105,731,022.52 and 41,809,991.35 is: 57,699,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,057.53 : 105,731,022.52 = 41,809,991.35 : x
  2. Step 2: Convert to fraction form
    76,615,057.53/105,731,022.52 = 41,809,991.35/x
  3. Step 3: Cross multiply
    76,615,057.53x = 105,731,022.52 × 41,809,991.35
  4. Step 4: Simplify right side
    76,615,057.53x = 4,420,613,136,987,855
  5. Step 5: Solve for x
    x = 4,420,613,136,987,855/76,615,057.53
  6. Step 6: Final answer
    x = 57,699,012.18

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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.