Home / 190,858,768.40-285,952,229.40-163,984,912.40

Finding the Fourth Proportional to 190,858,768.40, 285,952,229.40 and 163,984,912.40

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Solution

The fourth proportional to 190,858,768.40, 285,952,229.40 and 163,984,912.40 is: 245,688,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,858,768.40 : 285,952,229.40 = 163,984,912.40 : x
  2. Step 2: Convert to fraction form
    190,858,768.40/285,952,229.40 = 163,984,912.40/x
  3. Step 3: Cross multiply
    190,858,768.40x = 285,952,229.40 × 163,984,912.40
  4. Step 4: Simplify right side
    190,858,768.40x = 46,891,851,288,743,704
  5. Step 5: Solve for x
    x = 46,891,851,288,743,704/190,858,768.40
  6. Step 6: Final answer
    x = 245,688,745.04

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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.