Home / 65,570,140.68-90,486,921.56-36,201,530.04

Finding the Fourth Proportional to 65,570,140.68, 90,486,921.56 and 36,201,530.04

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Solution

The fourth proportional to 65,570,140.68, 90,486,921.56 and 36,201,530.04 is: 49,958,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570,140.68 : 90,486,921.56 = 36,201,530.04 : x
  2. Step 2: Convert to fraction form
    65,570,140.68/90,486,921.56 = 36,201,530.04/x
  3. Step 3: Cross multiply
    65,570,140.68x = 90,486,921.56 × 36,201,530.04
  4. Step 4: Simplify right side
    65,570,140.68x = 3,275,765,009,081,463.50
  5. Step 5: Solve for x
    x = 3,275,765,009,081,463.50/65,570,140.68
  6. Step 6: Final answer
    x = 49,958,181.81

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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.