Home / 81,941,838.09-122,912,757.13-81,941,838.09

Finding the Fourth Proportional to 81,941,838.09, 122,912,757.13 and 81,941,838.09

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Solution

The fourth proportional to 81,941,838.09, 122,912,757.13 and 81,941,838.09 is: 122,912,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941,838.09 : 122,912,757.13 = 81,941,838.09 : x
  2. Step 2: Convert to fraction form
    81,941,838.09/122,912,757.13 = 81,941,838.09/x
  3. Step 3: Cross multiply
    81,941,838.09x = 122,912,757.13 × 81,941,838.09
  4. Step 4: Simplify right side
    81,941,838.09x = 10,071,697,243,941,954
  5. Step 5: Solve for x
    x = 10,071,697,243,941,954/81,941,838.09
  6. Step 6: Final answer
    x = 122,912,757.13

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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.