Home / 76,428,828.80-114,643,243.20-50,919,660.80

Finding the Fourth Proportional to 76,428,828.80, 114,643,243.20 and 50,919,660.80

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Solution

The fourth proportional to 76,428,828.80, 114,643,243.20 and 50,919,660.80 is: 76,379,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,428,828.80 : 114,643,243.20 = 50,919,660.80 : x
  2. Step 2: Convert to fraction form
    76,428,828.80/114,643,243.20 = 50,919,660.80/x
  3. Step 3: Cross multiply
    76,428,828.80x = 114,643,243.20 × 50,919,660.80
  4. Step 4: Simplify right side
    76,428,828.80x = 5,837,595,056,755,906
  5. Step 5: Solve for x
    x = 5,837,595,056,755,906/76,428,828.80
  6. Step 6: Final answer
    x = 76,379,491.20

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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.