Home / 212,620,480.40-318,914,131.80-83,202,957.20

Finding the Fourth Proportional to 212,620,480.40, 318,914,131.80 and 83,202,957.20

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Solution

The fourth proportional to 212,620,480.40, 318,914,131.80 and 83,202,957.20 is: 124,797,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,620,480.40 : 318,914,131.80 = 83,202,957.20 : x
  2. Step 2: Convert to fraction form
    212,620,480.40/318,914,131.80 = 83,202,957.20/x
  3. Step 3: Cross multiply
    212,620,480.40x = 318,914,131.80 × 83,202,957.20
  4. Step 4: Simplify right side
    212,620,480.40x = 26,534,598,858,630,560
  5. Step 5: Solve for x
    x = 26,534,598,858,630,560/212,620,480.40
  6. Step 6: Final answer
    x = 124,797,944.25

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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.