Home / 66,763,322.20-100,144,983.30-20,705,102.20

Finding the Fourth Proportional to 66,763,322.20, 100,144,983.30 and 20,705,102.20

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Solution

The fourth proportional to 66,763,322.20, 100,144,983.30 and 20,705,102.20 is: 31,057,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,763,322.20 : 100,144,983.30 = 20,705,102.20 : x
  2. Step 2: Convert to fraction form
    66,763,322.20/100,144,983.30 = 20,705,102.20/x
  3. Step 3: Cross multiply
    66,763,322.20x = 100,144,983.30 × 20,705,102.20
  4. Step 4: Simplify right side
    66,763,322.20x = 2,073,512,114,043,793
  5. Step 5: Solve for x
    x = 2,073,512,114,043,793/66,763,322.20
  6. Step 6: Final answer
    x = 31,057,653.30

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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.