Home / 203,871,081.77-305,681,470.32-79,228,174.67

Finding the Fourth Proportional to 203,871,081.77, 305,681,470.32 and 79,228,174.67

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Solution

The fourth proportional to 203,871,081.77, 305,681,470.32 and 79,228,174.67 is: 118,793,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,871,081.77 : 305,681,470.32 = 79,228,174.67 : x
  2. Step 2: Convert to fraction form
    203,871,081.77/305,681,470.32 = 79,228,174.67/x
  3. Step 3: Cross multiply
    203,871,081.77x = 305,681,470.32 × 79,228,174.67
  4. Step 4: Simplify right side
    203,871,081.77x = 24,218,584,923,365,124
  5. Step 5: Solve for x
    x = 24,218,584,923,365,124/203,871,081.77
  6. Step 6: Final answer
    x = 118,793,625.43

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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.