Home / 206,369,448.60-309,690,375.44-109,393,257.45

Finding the Fourth Proportional to 206,369,448.60, 309,690,375.44 and 109,393,257.45

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Solution

The fourth proportional to 206,369,448.60, 309,690,375.44 and 109,393,257.45 is: 164,162,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,369,448.60 : 309,690,375.44 = 109,393,257.45 : x
  2. Step 2: Convert to fraction form
    206,369,448.60/309,690,375.44 = 109,393,257.45/x
  3. Step 3: Cross multiply
    206,369,448.60x = 309,690,375.44 × 109,393,257.45
  4. Step 4: Simplify right side
    206,369,448.60x = 33,878,038,969,748,112
  5. Step 5: Solve for x
    x = 33,878,038,969,748,112/206,369,448.60
  6. Step 6: Final answer
    x = 164,162,085.04

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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.