Home / 81,382,096.20-122,048,795.70-26,784,603.48

Finding the Fourth Proportional to 81,382,096.20, 122,048,795.70 and 26,784,603.48

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Solution

The fourth proportional to 81,382,096.20, 122,048,795.70 and 26,784,603.48 is: 40,168,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,382,096.20 : 122,048,795.70 = 26,784,603.48 : x
  2. Step 2: Convert to fraction form
    81,382,096.20/122,048,795.70 = 26,784,603.48/x
  3. Step 3: Cross multiply
    81,382,096.20x = 122,048,795.70 × 26,784,603.48
  4. Step 4: Simplify right side
    81,382,096.20x = 3,269,028,598,036,029
  5. Step 5: Solve for x
    x = 3,269,028,598,036,029/81,382,096.20
  6. Step 6: Final answer
    x = 40,168,891.57

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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.