Home / 100,202,796.80-150,304,195.20-66,162,579.20

Finding the Fourth Proportional to 100,202,796.80, 150,304,195.20 and 66,162,579.20

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Solution

The fourth proportional to 100,202,796.80, 150,304,195.20 and 66,162,579.20 is: 99,243,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,202,796.80 : 150,304,195.20 = 66,162,579.20 : x
  2. Step 2: Convert to fraction form
    100,202,796.80/150,304,195.20 = 66,162,579.20/x
  3. Step 3: Cross multiply
    100,202,796.80x = 150,304,195.20 × 66,162,579.20
  4. Step 4: Simplify right side
    100,202,796.80x = 9,944,513,219,012,260
  5. Step 5: Solve for x
    x = 9,944,513,219,012,260/100,202,796.80
  6. Step 6: Final answer
    x = 99,243,868.80

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1.5x scale

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.