Home / 122,531,726.40-183,545,647.20-84,236,481.60

Finding the Fourth Proportional to 122,531,726.40, 183,545,647.20 and 84,236,481.60

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Solution

The fourth proportional to 122,531,726.40, 183,545,647.20 and 84,236,481.60 is: 126,181,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,531,726.40 : 183,545,647.20 = 84,236,481.60 : x
  2. Step 2: Convert to fraction form
    122,531,726.40/183,545,647.20 = 84,236,481.60/x
  3. Step 3: Cross multiply
    122,531,726.40x = 183,545,647.20 × 84,236,481.60
  4. Step 4: Simplify right side
    122,531,726.40x = 15,461,239,533,122,890
  5. Step 5: Solve for x
    x = 15,461,239,533,122,890/122,531,726.40
  6. Step 6: Final answer
    x = 126,181,520.39

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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.