Home / 81,823,731.58-112,919,143.46-44,656,395.72

Finding the Fourth Proportional to 81,823,731.58, 112,919,143.46 and 44,656,395.72

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Solution

The fourth proportional to 81,823,731.58, 112,919,143.46 and 44,656,395.72 is: 61,627,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823,731.58 : 112,919,143.46 = 44,656,395.72 : x
  2. Step 2: Convert to fraction form
    81,823,731.58/112,919,143.46 = 44,656,395.72/x
  3. Step 3: Cross multiply
    81,823,731.58x = 112,919,143.46 × 44,656,395.72
  4. Step 4: Simplify right side
    81,823,731.58x = 5,042,561,954,713,210
  5. Step 5: Solve for x
    x = 5,042,561,954,713,210/81,823,731.58
  6. Step 6: Final answer
    x = 61,627,132.59

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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.