Home / 74,010,885.72-102,136,231.80-40,519,806.18

Finding the Fourth Proportional to 74,010,885.72, 102,136,231.80 and 40,519,806.18

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Solution

The fourth proportional to 74,010,885.72, 102,136,231.80 and 40,519,806.18 is: 55,917,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010,885.72 : 102,136,231.80 = 40,519,806.18 : x
  2. Step 2: Convert to fraction form
    74,010,885.72/102,136,231.80 = 40,519,806.18/x
  3. Step 3: Cross multiply
    74,010,885.72x = 102,136,231.80 × 40,519,806.18
  4. Step 4: Simplify right side
    74,010,885.72x = 4,138,540,316,491,552.50
  5. Step 5: Solve for x
    x = 4,138,540,316,491,552.50/74,010,885.72
  6. Step 6: Final answer
    x = 55,917,994.71

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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.