Home / 74,669,583.79-112,002,241.56-40,805,380.27

Finding the Fourth Proportional to 74,669,583.79, 112,002,241.56 and 40,805,380.27

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Solution

The fourth proportional to 74,669,583.79, 112,002,241.56 and 40,805,380.27 is: 61,206,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669,583.79 : 112,002,241.56 = 40,805,380.27 : x
  2. Step 2: Convert to fraction form
    74,669,583.79/112,002,241.56 = 40,805,380.27/x
  3. Step 3: Cross multiply
    74,669,583.79x = 112,002,241.56 × 40,805,380.27
  4. Step 4: Simplify right side
    74,669,583.79x = 4,570,294,057,948,198
  5. Step 5: Solve for x
    x = 4,570,294,057,948,198/74,669,583.79
  6. Step 6: Final answer
    x = 61,206,904.15

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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.