Home / 90,556,936.96-125,046,261.12-87,628,583.92

Finding the Fourth Proportional to 90,556,936.96, 125,046,261.12 and 87,628,583.92

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Solution

The fourth proportional to 90,556,936.96, 125,046,261.12 and 87,628,583.92 is: 121,002,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,556,936.96 : 125,046,261.12 = 87,628,583.92 : x
  2. Step 2: Convert to fraction form
    90,556,936.96/125,046,261.12 = 87,628,583.92/x
  3. Step 3: Cross multiply
    90,556,936.96x = 125,046,261.12 × 87,628,583.92
  4. Step 4: Simplify right side
    90,556,936.96x = 10,957,626,786,436,154
  5. Step 5: Solve for x
    x = 10,957,626,786,436,154/90,556,936.96
  6. Step 6: Final answer
    x = 121,002,621.71

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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.