Home / 344,066,190.80-516,099,286.20-128,627,445.20

Finding the Fourth Proportional to 344,066,190.80, 516,099,286.20 and 128,627,445.20

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Solution

The fourth proportional to 344,066,190.80, 516,099,286.20 and 128,627,445.20 is: 192,941,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,066,190.80 : 516,099,286.20 = 128,627,445.20 : x
  2. Step 2: Convert to fraction form
    344,066,190.80/516,099,286.20 = 128,627,445.20/x
  3. Step 3: Cross multiply
    344,066,190.80x = 516,099,286.20 × 128,627,445.20
  4. Step 4: Simplify right side
    344,066,190.80x = 66,384,532,653,449,616
  5. Step 5: Solve for x
    x = 66,384,532,653,449,616/344,066,190.80
  6. Step 6: Final answer
    x = 192,941,167.80

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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.