Home / 297,815,530.20-447,087,212.10-168,513,091.80

Finding the Fourth Proportional to 297,815,530.20, 447,087,212.10 and 168,513,091.80

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Solution

The fourth proportional to 297,815,530.20, 447,087,212.10 and 168,513,091.80 is: 252,975,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,815,530.20 : 447,087,212.10 = 168,513,091.80 : x
  2. Step 2: Convert to fraction form
    297,815,530.20/447,087,212.10 = 168,513,091.80/x
  3. Step 3: Cross multiply
    297,815,530.20x = 447,087,212.10 × 168,513,091.80
  4. Step 4: Simplify right side
    297,815,530.20x = 75,340,048,415,213,376
  5. Step 5: Solve for x
    x = 75,340,048,415,213,376/297,815,530.20
  6. Step 6: Final answer
    x = 252,975,552.90

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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.