Home / 86,339,161.44-119,136,569.04-55,441,186.56

Finding the Fourth Proportional to 86,339,161.44, 119,136,569.04 and 55,441,186.56

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Solution

The fourth proportional to 86,339,161.44, 119,136,569.04 and 55,441,186.56 is: 76,501,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339,161.44 : 119,136,569.04 = 55,441,186.56 : x
  2. Step 2: Convert to fraction form
    86,339,161.44/119,136,569.04 = 55,441,186.56/x
  3. Step 3: Cross multiply
    86,339,161.44x = 119,136,569.04 × 55,441,186.56
  4. Step 4: Simplify right side
    86,339,161.44x = 6,605,072,750,264,961
  5. Step 5: Solve for x
    x = 6,605,072,750,264,961/86,339,161.44
  6. Step 6: Final answer
    x = 76,501,469.79

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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.