Home / 85,178,450.40-127,820,163.60-34,055,138.40

Finding the Fourth Proportional to 85,178,450.40, 127,820,163.60 and 34,055,138.40

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Solution

The fourth proportional to 85,178,450.40, 127,820,163.60 and 34,055,138.40 is: 51,103,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,178,450.40 : 127,820,163.60 = 34,055,138.40 : x
  2. Step 2: Convert to fraction form
    85,178,450.40/127,820,163.60 = 34,055,138.40/x
  3. Step 3: Cross multiply
    85,178,450.40x = 127,820,163.60 × 34,055,138.40
  4. Step 4: Simplify right side
    85,178,450.40x = 4,352,933,361,708,642
  5. Step 5: Solve for x
    x = 4,352,933,361,708,642/85,178,450.40
  6. Step 6: Final answer
    x = 51,103,692.79

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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.