Home / 167,680,812.20-251,521,218.30-52,676,979.80

Finding the Fourth Proportional to 167,680,812.20, 251,521,218.30 and 52,676,979.80

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Solution

The fourth proportional to 167,680,812.20, 251,521,218.30 and 52,676,979.80 is: 79,015,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,680,812.20 : 251,521,218.30 = 52,676,979.80 : x
  2. Step 2: Convert to fraction form
    167,680,812.20/251,521,218.30 = 52,676,979.80/x
  3. Step 3: Cross multiply
    167,680,812.20x = 251,521,218.30 × 52,676,979.80
  4. Step 4: Simplify right side
    167,680,812.20x = 13,249,378,135,660,490
  5. Step 5: Solve for x
    x = 13,249,378,135,660,490/167,680,812.20
  6. Step 6: Final answer
    x = 79,015,469.70

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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.