Home / 74,010,885.53-102,136,231.19-40,519,805.81

Finding the Fourth Proportional to 74,010,885.53, 102,136,231.19 and 40,519,805.81

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Solution

The fourth proportional to 74,010,885.53, 102,136,231.19 and 40,519,805.81 is: 55,917,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010,885.53 : 102,136,231.19 = 40,519,805.81 : x
  2. Step 2: Convert to fraction form
    74,010,885.53/102,136,231.19 = 40,519,805.81/x
  3. Step 3: Cross multiply
    74,010,885.53x = 102,136,231.19 × 40,519,805.81
  4. Step 4: Simplify right side
    74,010,885.53x = 4,138,540,253,574,683.50
  5. Step 5: Solve for x
    x = 4,138,540,253,574,683.50/74,010,885.53
  6. Step 6: Final answer
    x = 55,917,994.01

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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.