Home / 122,379,079,003.20-183,568,618,504.80-72,666,812,404.80

Finding the Fourth Proportional to 122,379,079,003.20, 183,568,618,504.80 and 72,666,812,404.80

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Solution

The fourth proportional to 122,379,079,003.20, 183,568,618,504.80 and 72,666,812,404.80 is: 109,000,218,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,379,079,003.20 : 183,568,618,504.80 = 72,666,812,404.80 : x
  2. Step 2: Convert to fraction form
    122,379,079,003.20/183,568,618,504.80 = 72,666,812,404.80/x
  3. Step 3: Cross multiply
    122,379,079,003.20x = 183,568,618,504.80 × 72,666,812,404.80
  4. Step 4: Simplify right side
    122,379,079,003.20x = 13,339,346,364,296,599,699,456
  5. Step 5: Solve for x
    x = 13,339,346,364,296,599,699,456/122,379,079,003.20
  6. Step 6: Final answer
    x = 109,000,218,607.20

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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.