Home / 295,555,876.53-407,849,614.43-163,388,990.73

Finding the Fourth Proportional to 295,555,876.53, 407,849,614.43 and 163,388,990.73

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Solution

The fourth proportional to 295,555,876.53, 407,849,614.43 and 163,388,990.73 is: 225,467,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,555,876.53 : 407,849,614.43 = 163,388,990.73 : x
  2. Step 2: Convert to fraction form
    295,555,876.53/407,849,614.43 = 163,388,990.73/x
  3. Step 3: Cross multiply
    295,555,876.53x = 407,849,614.43 × 163,388,990.73
  4. Step 4: Simplify right side
    295,555,876.53x = 66,638,136,872,049,832
  5. Step 5: Solve for x
    x = 66,638,136,872,049,832/295,555,876.53
  6. Step 6: Final answer
    x = 225,467,135.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.