Home / 81,333,828.80-122,000,743.20-27,480,363.20

Finding the Fourth Proportional to 81,333,828.80, 122,000,743.20 and 27,480,363.20

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Solution

The fourth proportional to 81,333,828.80, 122,000,743.20 and 27,480,363.20 is: 41,220,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,333,828.80 : 122,000,743.20 = 27,480,363.20 : x
  2. Step 2: Convert to fraction form
    81,333,828.80/122,000,743.20 = 27,480,363.20/x
  3. Step 3: Cross multiply
    81,333,828.80x = 122,000,743.20 × 27,480,363.20
  4. Step 4: Simplify right side
    81,333,828.80x = 3,352,624,733,805,930
  5. Step 5: Solve for x
    x = 3,352,624,733,805,930/81,333,828.80
  6. Step 6: Final answer
    x = 41,220,544.80

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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.