Home / 86,100,548.82-118,788,949.38-55,177,768.50

Finding the Fourth Proportional to 86,100,548.82, 118,788,949.38 and 55,177,768.50

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Solution

The fourth proportional to 86,100,548.82, 118,788,949.38 and 55,177,768.50 is: 76,126,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,100,548.82 : 118,788,949.38 = 55,177,768.50 : x
  2. Step 2: Convert to fraction form
    86,100,548.82/118,788,949.38 = 55,177,768.50/x
  3. Step 3: Cross multiply
    86,100,548.82x = 118,788,949.38 × 55,177,768.50
  4. Step 4: Simplify right side
    86,100,548.82x = 6,554,509,149,247,858
  5. Step 5: Solve for x
    x = 6,554,509,149,247,858/86,100,548.82
  6. Step 6: Final answer
    x = 76,126,218.00

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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.