Home / 81,389,359.80-122,084,039.70-27,536,671.80

Finding the Fourth Proportional to 81,389,359.80, 122,084,039.70 and 27,536,671.80

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Solution

The fourth proportional to 81,389,359.80, 122,084,039.70 and 27,536,671.80 is: 41,305,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,389,359.80 : 122,084,039.70 = 27,536,671.80 : x
  2. Step 2: Convert to fraction form
    81,389,359.80/122,084,039.70 = 27,536,671.80/x
  3. Step 3: Cross multiply
    81,389,359.80x = 122,084,039.70 × 27,536,671.80
  4. Step 4: Simplify right side
    81,389,359.80x = 3,361,788,133,237,070.50
  5. Step 5: Solve for x
    x = 3,361,788,133,237,070.50/81,389,359.80
  6. Step 6: Final answer
    x = 41,305,007.70

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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.