Home / 81,491,936.69-112,488,124.07-48,452,106.66

Finding the Fourth Proportional to 81,491,936.69, 112,488,124.07 and 48,452,106.66

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Solution

The fourth proportional to 81,491,936.69, 112,488,124.07 and 48,452,106.66 is: 66,881,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,491,936.69 : 112,488,124.07 = 48,452,106.66 : x
  2. Step 2: Convert to fraction form
    81,491,936.69/112,488,124.07 = 48,452,106.66/x
  3. Step 3: Cross multiply
    81,491,936.69x = 112,488,124.07 × 48,452,106.66
  4. Step 4: Simplify right side
    81,491,936.69x = 5,450,286,585,122,253
  5. Step 5: Solve for x
    x = 5,450,286,585,122,253/81,491,936.69
  6. Step 6: Final answer
    x = 66,881,299.01

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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.