Home / 193,665,560.20-290,656,970.70-192,153,905.80

Finding the Fourth Proportional to 193,665,560.20, 290,656,970.70 and 192,153,905.80

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Solution

The fourth proportional to 193,665,560.20, 290,656,970.70 and 192,153,905.80 is: 288,388,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,665,560.20 : 290,656,970.70 = 192,153,905.80 : x
  2. Step 2: Convert to fraction form
    193,665,560.20/290,656,970.70 = 192,153,905.80/x
  3. Step 3: Cross multiply
    193,665,560.20x = 290,656,970.70 × 192,153,905.80
  4. Step 4: Simplify right side
    193,665,560.20x = 55,850,872,168,001,160
  5. Step 5: Solve for x
    x = 55,850,872,168,001,160/193,665,560.20
  6. Step 6: Final answer
    x = 288,388,250.91

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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.