Home / 81,823,727.63-112,919,138.03-44,656,391.78

Finding the Fourth Proportional to 81,823,727.63, 112,919,138.03 and 44,656,391.78

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Solution

The fourth proportional to 81,823,727.63, 112,919,138.03 and 44,656,391.78 is: 61,627,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823,727.63 : 112,919,138.03 = 44,656,391.78 : x
  2. Step 2: Convert to fraction form
    81,823,727.63/112,919,138.03 = 44,656,391.78/x
  3. Step 3: Cross multiply
    81,823,727.63x = 112,919,138.03 × 44,656,391.78
  4. Step 4: Simplify right side
    81,823,727.63x = 5,042,561,267,327,578
  5. Step 5: Solve for x
    x = 5,042,561,267,327,578/81,823,727.63
  6. Step 6: Final answer
    x = 61,627,127.16

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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.