Home / 90,128,188,845.82-135,163,580,293.32-29,608,418,573.74

Finding the Fourth Proportional to 90,128,188,845.82, 135,163,580,293.32 and 29,608,418,573.74

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Solution

The fourth proportional to 90,128,188,845.82, 135,163,580,293.32 and 29,608,418,573.74 is: 44,403,198,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,128,188,845.82 : 135,163,580,293.32 = 29,608,418,573.74 : x
  2. Step 2: Convert to fraction form
    90,128,188,845.82/135,163,580,293.32 = 29,608,418,573.74/x
  3. Step 3: Cross multiply
    90,128,188,845.82x = 135,163,580,293.32 × 29,608,418,573.74
  4. Step 4: Simplify right side
    90,128,188,845.82x = 4,001,979,861,249,933,967,360
  5. Step 5: Solve for x
    x = 4,001,979,861,249,933,967,360/90,128,188,845.82
  6. Step 6: Final answer
    x = 44,403,198,516.46

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1.5x scale

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.