Home / 81,906,058.89-122,876,343.16-26,569,573.05

Finding the Fourth Proportional to 81,906,058.89, 122,876,343.16 and 26,569,573.05

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Solution

The fourth proportional to 81,906,058.89, 122,876,343.16 and 26,569,573.05 is: 39,859,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,906,058.89 : 122,876,343.16 = 26,569,573.05 : x
  2. Step 2: Convert to fraction form
    81,906,058.89/122,876,343.16 = 26,569,573.05/x
  3. Step 3: Cross multiply
    81,906,058.89x = 122,876,343.16 × 26,569,573.05
  4. Step 4: Simplify right side
    81,906,058.89x = 3,264,771,975,956,811.50
  5. Step 5: Solve for x
    x = 3,264,771,975,956,811.50/81,906,058.89
  6. Step 6: Final answer
    x = 39,859,956.88

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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.