Home / 167,872,563.80-251,808,845.70-99,680,154.20

Finding the Fourth Proportional to 167,872,563.80, 251,808,845.70 and 99,680,154.20

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Solution

The fourth proportional to 167,872,563.80, 251,808,845.70 and 99,680,154.20 is: 149,520,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,872,563.80 : 251,808,845.70 = 99,680,154.20 : x
  2. Step 2: Convert to fraction form
    167,872,563.80/251,808,845.70 = 99,680,154.20/x
  3. Step 3: Cross multiply
    167,872,563.80x = 251,808,845.70 × 99,680,154.20
  4. Step 4: Simplify right side
    167,872,563.80x = 25,100,344,568,300,008
  5. Step 5: Solve for x
    x = 25,100,344,568,300,008/167,872,563.80
  6. Step 6: Final answer
    x = 149,520,231.30

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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.