Home / 74,010,839.02-102,136,167.20-40,519,759.44

Finding the Fourth Proportional to 74,010,839.02, 102,136,167.20 and 40,519,759.44

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Solution

The fourth proportional to 74,010,839.02, 102,136,167.20 and 40,519,759.44 is: 55,917,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010,839.02 : 102,136,167.20 = 40,519,759.44 : x
  2. Step 2: Convert to fraction form
    74,010,839.02/102,136,167.20 = 40,519,759.44/x
  3. Step 3: Cross multiply
    74,010,839.02x = 102,136,167.20 × 40,519,759.44
  4. Step 4: Simplify right side
    74,010,839.02x = 4,138,532,925,067,618
  5. Step 5: Solve for x
    x = 4,138,532,925,067,618/74,010,839.02
  6. Step 6: Final answer
    x = 55,917,930.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.