Home / 235,924,840.57-325,715,939.42-209,747,053.37

Finding the Fourth Proportional to 235,924,840.57, 325,715,939.42 and 209,747,053.37

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Solution

The fourth proportional to 235,924,840.57, 325,715,939.42 and 209,747,053.37 is: 289,575,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,924,840.57 : 325,715,939.42 = 209,747,053.37 : x
  2. Step 2: Convert to fraction form
    235,924,840.57/325,715,939.42 = 209,747,053.37/x
  3. Step 3: Cross multiply
    235,924,840.57x = 325,715,939.42 × 209,747,053.37
  4. Step 4: Simplify right side
    235,924,840.57x = 68,317,958,527,357,856
  5. Step 5: Solve for x
    x = 68,317,958,527,357,856/235,924,840.57
  6. Step 6: Final answer
    x = 289,575,096.72

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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.