Home / 50,311,133.56-69,431,824.38-28,291,562.20

Finding the Fourth Proportional to 50,311,133.56, 69,431,824.38 and 28,291,562.20

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Solution

The fourth proportional to 50,311,133.56, 69,431,824.38 and 28,291,562.20 is: 39,043,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,311,133.56 : 69,431,824.38 = 28,291,562.20 : x
  2. Step 2: Convert to fraction form
    50,311,133.56/69,431,824.38 = 28,291,562.20/x
  3. Step 3: Cross multiply
    50,311,133.56x = 69,431,824.38 × 28,291,562.20
  4. Step 4: Simplify right side
    50,311,133.56x = 1,964,334,778,106,246.25
  5. Step 5: Solve for x
    x = 1,964,334,778,106,246.25/50,311,133.56
  6. Step 6: Final answer
    x = 39,043,739.21

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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.