Home / 311,699,972.48-467,622,720.20-90,375,941.84

Finding the Fourth Proportional to 311,699,972.48, 467,622,720.20 and 90,375,941.84

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Solution

The fourth proportional to 311,699,972.48, 467,622,720.20 and 90,375,941.84 is: 135,585,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,699,972.48 : 467,622,720.20 = 90,375,941.84 : x
  2. Step 2: Convert to fraction form
    311,699,972.48/467,622,720.20 = 90,375,941.84/x
  3. Step 3: Cross multiply
    311,699,972.48x = 467,622,720.20 × 90,375,941.84
  4. Step 4: Simplify right side
    311,699,972.48x = 42,261,843,761,745,616
  5. Step 5: Solve for x
    x = 42,261,843,761,745,616/311,699,972.48
  6. Step 6: Final answer
    x = 135,585,009.60

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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.