Home / 81,891,131,053.10-122,836,696,579.66-81,891,131,053.10

Finding the Fourth Proportional to 81,891,131,053.10, 122,836,696,579.66 and 81,891,131,053.10

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Solution

The fourth proportional to 81,891,131,053.10, 122,836,696,579.66 and 81,891,131,053.10 is: 122,836,696,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,891,131,053.10 : 122,836,696,579.66 = 81,891,131,053.10 : x
  2. Step 2: Convert to fraction form
    81,891,131,053.10/122,836,696,579.66 = 81,891,131,053.10/x
  3. Step 3: Cross multiply
    81,891,131,053.10x = 122,836,696,579.66 × 81,891,131,053.10
  4. Step 4: Simplify right side
    81,891,131,053.10x = 10,059,236,017,734,818,988,032
  5. Step 5: Solve for x
    x = 10,059,236,017,734,818,988,032/81,891,131,053.10
  6. Step 6: Final answer
    x = 122,836,696,579.66

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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.