Home / 54,424,128.48-81,636,296.40-51,098,488.80

Finding the Fourth Proportional to 54,424,128.48, 81,636,296.40 and 51,098,488.80

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Solution

The fourth proportional to 54,424,128.48, 81,636,296.40 and 51,098,488.80 is: 76,647,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,424,128.48 : 81,636,296.40 = 51,098,488.80 : x
  2. Step 2: Convert to fraction form
    54,424,128.48/81,636,296.40 = 51,098,488.80/x
  3. Step 3: Cross multiply
    54,424,128.48x = 81,636,296.40 × 51,098,488.80
  4. Step 4: Simplify right side
    54,424,128.48x = 4,171,491,377,268,880.50
  5. Step 5: Solve for x
    x = 4,171,491,377,268,880.50/54,424,128.48
  6. Step 6: Final answer
    x = 76,647,830.54

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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.