Home / 65,570,445.60-90,486,792-36,203,608.32

Finding the Fourth Proportional to 65,570,445.60, 90,486,792 and 36,203,608.32

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Solution

The fourth proportional to 65,570,445.60, 90,486,792 and 36,203,608.32 is: 49,960,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570,445.60 : 90,486,792 = 36,203,608.32 : x
  2. Step 2: Convert to fraction form
    65,570,445.60/90,486,792 = 36,203,608.32/x
  3. Step 3: Cross multiply
    65,570,445.60x = 90,486,792 × 36,203,608.32
  4. Step 4: Simplify right side
    65,570,445.60x = 3,275,948,375,701,309.50
  5. Step 5: Solve for x
    x = 3,275,948,375,701,309.50/65,570,445.60
  6. Step 6: Final answer
    x = 49,960,745.97

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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.