Home / 144,865,997.60-217,298,996.40-47,836,680.80

Finding the Fourth Proportional to 144,865,997.60, 217,298,996.40 and 47,836,680.80

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Solution

The fourth proportional to 144,865,997.60, 217,298,996.40 and 47,836,680.80 is: 71,755,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865,997.60 : 217,298,996.40 = 47,836,680.80 : x
  2. Step 2: Convert to fraction form
    144,865,997.60/217,298,996.40 = 47,836,680.80/x
  3. Step 3: Cross multiply
    144,865,997.60x = 217,298,996.40 × 47,836,680.80
  4. Step 4: Simplify right side
    144,865,997.60x = 10,394,862,728,947,148
  5. Step 5: Solve for x
    x = 10,394,862,728,947,148/144,865,997.60
  6. Step 6: Final answer
    x = 71,755,021.20

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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.