Home / 115,440,782.80-173,161,174.20-105,027,163.60

Finding the Fourth Proportional to 115,440,782.80, 173,161,174.20 and 105,027,163.60

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Solution

The fourth proportional to 115,440,782.80, 173,161,174.20 and 105,027,163.60 is: 157,540,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440,782.80 : 173,161,174.20 = 105,027,163.60 : x
  2. Step 2: Convert to fraction form
    115,440,782.80/173,161,174.20 = 105,027,163.60/x
  3. Step 3: Cross multiply
    115,440,782.80x = 173,161,174.20 × 105,027,163.60
  4. Step 4: Simplify right side
    115,440,782.80x = 18,186,626,971,871,496
  5. Step 5: Solve for x
    x = 18,186,626,971,871,496/115,440,782.80
  6. Step 6: Final answer
    x = 157,540,745.40

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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.