Home / 61,743,939.66-92,629,882.60-20,802,266.30

Finding the Fourth Proportional to 61,743,939.66, 92,629,882.60 and 20,802,266.30

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Solution

The fourth proportional to 61,743,939.66, 92,629,882.60 and 20,802,266.30 is: 31,208,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,743,939.66 : 92,629,882.60 = 20,802,266.30 : x
  2. Step 2: Convert to fraction form
    61,743,939.66/92,629,882.60 = 20,802,266.30/x
  3. Step 3: Cross multiply
    61,743,939.66x = 92,629,882.60 × 20,802,266.30
  4. Step 4: Simplify right side
    61,743,939.66x = 1,926,911,485,362,505.25
  5. Step 5: Solve for x
    x = 1,926,911,485,362,505.25/61,743,939.66
  6. Step 6: Final answer
    x = 31,208,107.16

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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.