Home / 90,588,105.54-135,871,982.42-25,018,564.77

Finding the Fourth Proportional to 90,588,105.54, 135,871,982.42 and 25,018,564.77

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Solution

The fourth proportional to 90,588,105.54, 135,871,982.42 and 25,018,564.77 is: 37,525,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,588,105.54 : 135,871,982.42 = 25,018,564.77 : x
  2. Step 2: Convert to fraction form
    90,588,105.54/135,871,982.42 = 25,018,564.77/x
  3. Step 3: Cross multiply
    90,588,105.54x = 135,871,982.42 × 25,018,564.77
  4. Step 4: Simplify right side
    90,588,105.54x = 3,399,321,992,477,978.50
  5. Step 5: Solve for x
    x = 3,399,321,992,477,978.50/90,588,105.54
  6. Step 6: Final answer
    x = 37,525,036.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.