Home / 222,732,404.48-307,407,659.52-129,912,909.44

Finding the Fourth Proportional to 222,732,404.48, 307,407,659.52 and 129,912,909.44

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Solution

The fourth proportional to 222,732,404.48, 307,407,659.52 and 129,912,909.44 is: 179,301,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,732,404.48 : 307,407,659.52 = 129,912,909.44 : x
  2. Step 2: Convert to fraction form
    222,732,404.48/307,407,659.52 = 129,912,909.44/x
  3. Step 3: Cross multiply
    222,732,404.48x = 307,407,659.52 × 129,912,909.44
  4. Step 4: Simplify right side
    222,732,404.48x = 39,936,223,432,384,112
  5. Step 5: Solve for x
    x = 39,936,223,432,384,112/222,732,404.48
  6. Step 6: Final answer
    x = 179,301,361.76

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1.5x scale

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.