Home / 74,325,287.20-111,487,930.80-55,193,411.20

Finding the Fourth Proportional to 74,325,287.20, 111,487,930.80 and 55,193,411.20

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Solution

The fourth proportional to 74,325,287.20, 111,487,930.80 and 55,193,411.20 is: 82,790,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325,287.20 : 111,487,930.80 = 55,193,411.20 : x
  2. Step 2: Convert to fraction form
    74,325,287.20/111,487,930.80 = 55,193,411.20/x
  3. Step 3: Cross multiply
    74,325,287.20x = 111,487,930.80 × 55,193,411.20
  4. Step 4: Simplify right side
    74,325,287.20x = 6,153,399,208,481,545
  5. Step 5: Solve for x
    x = 6,153,399,208,481,545/74,325,287.20
  6. Step 6: Final answer
    x = 82,790,116.80

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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.