Home / 54,243,143.23-74,856,100.64-29,463,812.66

Finding the Fourth Proportional to 54,243,143.23, 74,856,100.64 and 29,463,812.66

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Solution

The fourth proportional to 54,243,143.23, 74,856,100.64 and 29,463,812.66 is: 40,660,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243,143.23 : 74,856,100.64 = 29,463,812.66 : x
  2. Step 2: Convert to fraction form
    54,243,143.23/74,856,100.64 = 29,463,812.66/x
  3. Step 3: Cross multiply
    54,243,143.23x = 74,856,100.64 × 29,463,812.66
  4. Step 4: Simplify right side
    54,243,143.23x = 2,205,546,125,715,066.25
  5. Step 5: Solve for x
    x = 2,205,546,125,715,066.25/54,243,143.23
  6. Step 6: Final answer
    x = 40,660,367.27

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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.