Home / 209,953,998.20-314,930,997.30-73,590,174.20

Finding the Fourth Proportional to 209,953,998.20, 314,930,997.30 and 73,590,174.20

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Solution

The fourth proportional to 209,953,998.20, 314,930,997.30 and 73,590,174.20 is: 110,385,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,998.20 : 314,930,997.30 = 73,590,174.20 : x
  2. Step 2: Convert to fraction form
    209,953,998.20/314,930,997.30 = 73,590,174.20/x
  3. Step 3: Cross multiply
    209,953,998.20x = 314,930,997.30 × 73,590,174.20
  4. Step 4: Simplify right side
    209,953,998.20x = 23,175,826,952,286,732
  5. Step 5: Solve for x
    x = 23,175,826,952,286,732/209,953,998.20
  6. Step 6: Final answer
    x = 110,385,261.30

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Similar ratio
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1.5x scale

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.