Home / 122,481,487.40-183,722,231.10-81,666,818.60

Finding the Fourth Proportional to 122,481,487.40, 183,722,231.10 and 81,666,818.60

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Solution

The fourth proportional to 122,481,487.40, 183,722,231.10 and 81,666,818.60 is: 122,500,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,487.40 : 183,722,231.10 = 81,666,818.60 : x
  2. Step 2: Convert to fraction form
    122,481,487.40/183,722,231.10 = 81,666,818.60/x
  3. Step 3: Cross multiply
    122,481,487.40x = 183,722,231.10 × 81,666,818.60
  4. Step 4: Simplify right side
    122,481,487.40x = 15,004,010,120,030,976
  5. Step 5: Solve for x
    x = 15,004,010,120,030,976/122,481,487.40
  6. Step 6: Final answer
    x = 122,500,227.90

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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.