Home / 211,869,213.30-318,006,773.55-109,706,570.10

Finding the Fourth Proportional to 211,869,213.30, 318,006,773.55 and 109,706,570.10

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Solution

The fourth proportional to 211,869,213.30, 318,006,773.55 and 109,706,570.10 is: 164,664,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,869,213.30 : 318,006,773.55 = 109,706,570.10 : x
  2. Step 2: Convert to fraction form
    211,869,213.30/318,006,773.55 = 109,706,570.10/x
  3. Step 3: Cross multiply
    211,869,213.30x = 318,006,773.55 × 109,706,570.10
  4. Step 4: Simplify right side
    211,869,213.30x = 34,887,432,394,737,900
  5. Step 5: Solve for x
    x = 34,887,432,394,737,900/211,869,213.30
  6. Step 6: Final answer
    x = 164,664,945.19

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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.