Home / 141,793,654.40-212,690,481.60-80,571,651.20

Finding the Fourth Proportional to 141,793,654.40, 212,690,481.60 and 80,571,651.20

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Solution

The fourth proportional to 141,793,654.40, 212,690,481.60 and 80,571,651.20 is: 120,857,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,793,654.40 : 212,690,481.60 = 80,571,651.20 : x
  2. Step 2: Convert to fraction form
    141,793,654.40/212,690,481.60 = 80,571,651.20/x
  3. Step 3: Cross multiply
    141,793,654.40x = 212,690,481.60 × 80,571,651.20
  4. Step 4: Simplify right side
    141,793,654.40x = 17,136,823,297,035,218
  5. Step 5: Solve for x
    x = 17,136,823,297,035,218/141,793,654.40
  6. Step 6: Final answer
    x = 120,857,476.80

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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.