Home / 65,570,179.72-90,486,975.36-36,201,569.08

Finding the Fourth Proportional to 65,570,179.72, 90,486,975.36 and 36,201,569.08

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Solution

The fourth proportional to 65,570,179.72, 90,486,975.36 and 36,201,569.08 is: 49,958,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570,179.72 : 90,486,975.36 = 36,201,569.08 : x
  2. Step 2: Convert to fraction form
    65,570,179.72/90,486,975.36 = 36,201,569.08/x
  3. Step 3: Cross multiply
    65,570,179.72x = 90,486,975.36 × 36,201,569.08
  4. Step 4: Simplify right side
    65,570,179.72x = 3,275,770,489,335,297.50
  5. Step 5: Solve for x
    x = 3,275,770,489,335,297.50/65,570,179.72
  6. Step 6: Final answer
    x = 49,958,235.64

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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.