Home / 49,918,083.10-74,891,121.45-21,177,987.10

Finding the Fourth Proportional to 49,918,083.10, 74,891,121.45 and 21,177,987.10

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Solution

The fourth proportional to 49,918,083.10, 74,891,121.45 and 21,177,987.10 is: 31,772,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,918,083.10 : 74,891,121.45 = 21,177,987.10 : x
  2. Step 2: Convert to fraction form
    49,918,083.10/74,891,121.45 = 21,177,987.10/x
  3. Step 3: Cross multiply
    49,918,083.10x = 74,891,121.45 × 21,177,987.10
  4. Step 4: Simplify right side
    49,918,083.10x = 1,586,043,203,972,633.50
  5. Step 5: Solve for x
    x = 1,586,043,203,972,633.50/49,918,083.10
  6. Step 6: Final answer
    x = 31,772,918.86

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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.