Home / 82,911,922.16-124,383,824.28-31,789,954.16

Finding the Fourth Proportional to 82,911,922.16, 124,383,824.28 and 31,789,954.16

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Solution

The fourth proportional to 82,911,922.16, 124,383,824.28 and 31,789,954.16 is: 47,691,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,911,922.16 : 124,383,824.28 = 31,789,954.16 : x
  2. Step 2: Convert to fraction form
    82,911,922.16/124,383,824.28 = 31,789,954.16/x
  3. Step 3: Cross multiply
    82,911,922.16x = 124,383,824.28 × 31,789,954.16
  4. Step 4: Simplify right side
    82,911,922.16x = 3,954,156,072,106,695
  5. Step 5: Solve for x
    x = 3,954,156,072,106,695/82,911,922.16
  6. Step 6: Final answer
    x = 47,691,043.33

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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.