Home / 124,858,843.60-187,288,265.40-122,307,926.80

Finding the Fourth Proportional to 124,858,843.60, 187,288,265.40 and 122,307,926.80

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Solution

The fourth proportional to 124,858,843.60, 187,288,265.40 and 122,307,926.80 is: 183,461,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,858,843.60 : 187,288,265.40 = 122,307,926.80 : x
  2. Step 2: Convert to fraction form
    124,858,843.60/187,288,265.40 = 122,307,926.80/x
  3. Step 3: Cross multiply
    124,858,843.60x = 187,288,265.40 × 122,307,926.80
  4. Step 4: Simplify right side
    124,858,843.60x = 22,906,839,455,042,172
  5. Step 5: Solve for x
    x = 22,906,839,455,042,172/124,858,843.60
  6. Step 6: Final answer
    x = 183,461,890.20

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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.