Home / 142,443,157.85-196,592,202.46-82,080,408.04

Finding the Fourth Proportional to 142,443,157.85, 196,592,202.46 and 82,080,408.04

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Solution

The fourth proportional to 142,443,157.85, 196,592,202.46 and 82,080,408.04 is: 113,282,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,443,157.85 : 196,592,202.46 = 82,080,408.04 : x
  2. Step 2: Convert to fraction form
    142,443,157.85/196,592,202.46 = 82,080,408.04/x
  3. Step 3: Cross multiply
    142,443,157.85x = 196,592,202.46 × 82,080,408.04
  4. Step 4: Simplify right side
    142,443,157.85x = 16,136,368,195,010,212
  5. Step 5: Solve for x
    x = 16,136,368,195,010,212/142,443,157.85
  6. Step 6: Final answer
    x = 113,282,859.20

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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.