Home / 167,872,570.80-251,808,856.20-99,680,161.20

Finding the Fourth Proportional to 167,872,570.80, 251,808,856.20 and 99,680,161.20

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Solution

The fourth proportional to 167,872,570.80, 251,808,856.20 and 99,680,161.20 is: 149,520,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,872,570.80 : 251,808,856.20 = 99,680,161.20 : x
  2. Step 2: Convert to fraction form
    167,872,570.80/251,808,856.20 = 99,680,161.20/x
  3. Step 3: Cross multiply
    167,872,570.80x = 251,808,856.20 × 99,680,161.20
  4. Step 4: Simplify right side
    167,872,570.80x = 25,100,347,377,603,620
  5. Step 5: Solve for x
    x = 25,100,347,377,603,620/167,872,570.80
  6. Step 6: Final answer
    x = 149,520,241.80

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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.