Home / 86,729,586.11-119,713,629.29-55,789,755.39

Finding the Fourth Proportional to 86,729,586.11, 119,713,629.29 and 55,789,755.39

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Solution

The fourth proportional to 86,729,586.11, 119,713,629.29 and 55,789,755.39 is: 77,007,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,729,586.11 : 119,713,629.29 = 55,789,755.39 : x
  2. Step 2: Convert to fraction form
    86,729,586.11/119,713,629.29 = 55,789,755.39/x
  3. Step 3: Cross multiply
    86,729,586.11x = 119,713,629.29 × 55,789,755.39
  4. Step 4: Simplify right side
    86,729,586.11x = 6,678,794,094,659,290
  5. Step 5: Solve for x
    x = 6,678,794,094,659,290/86,729,586.11
  6. Step 6: Final answer
    x = 77,007,102.13

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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.