Home / 81,654,355.80-122,481,533.70-36,216,150.30

Finding the Fourth Proportional to 81,654,355.80, 122,481,533.70 and 36,216,150.30

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Solution

The fourth proportional to 81,654,355.80, 122,481,533.70 and 36,216,150.30 is: 54,324,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,654,355.80 : 122,481,533.70 = 36,216,150.30 : x
  2. Step 2: Convert to fraction form
    81,654,355.80/122,481,533.70 = 36,216,150.30/x
  3. Step 3: Cross multiply
    81,654,355.80x = 122,481,533.70 × 36,216,150.30
  4. Step 4: Simplify right side
    81,654,355.80x = 4,435,809,633,453,715
  5. Step 5: Solve for x
    x = 4,435,809,633,453,715/81,654,355.80
  6. Step 6: Final answer
    x = 54,324,225.45

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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.