Home / 221,307,490.60-331,737,287.10-130,384,277.80

Finding the Fourth Proportional to 221,307,490.60, 331,737,287.10 and 130,384,277.80

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Solution

The fourth proportional to 221,307,490.60, 331,737,287.10 and 130,384,277.80 is: 195,444,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,307,490.60 : 331,737,287.10 = 130,384,277.80 : x
  2. Step 2: Convert to fraction form
    221,307,490.60/331,737,287.10 = 130,384,277.80/x
  3. Step 3: Cross multiply
    221,307,490.60x = 331,737,287.10 × 130,384,277.80
  4. Step 4: Simplify right side
    221,307,490.60x = 43,253,326,597,864,760
  5. Step 5: Solve for x
    x = 43,253,326,597,864,760/221,307,490.60
  6. Step 6: Final answer
    x = 195,444,476.28

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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.