Home / 100,202,880.30-150,304,320.45-66,162,662.70

Finding the Fourth Proportional to 100,202,880.30, 150,304,320.45 and 66,162,662.70

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Solution

The fourth proportional to 100,202,880.30, 150,304,320.45 and 66,162,662.70 is: 99,243,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,202,880.30 : 150,304,320.45 = 66,162,662.70 : x
  2. Step 2: Convert to fraction form
    100,202,880.30/150,304,320.45 = 66,162,662.70/x
  3. Step 3: Cross multiply
    100,202,880.30x = 150,304,320.45 × 66,162,662.70
  4. Step 4: Simplify right side
    100,202,880.30x = 9,944,534,056,286,062
  5. Step 5: Solve for x
    x = 9,944,534,056,286,062/100,202,880.30
  6. Step 6: Final answer
    x = 99,243,994.05

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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.