Home / 84,217,751.94-126,338,678.43-25,930,361.68

Finding the Fourth Proportional to 84,217,751.94, 126,338,678.43 and 25,930,361.68

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Solution

The fourth proportional to 84,217,751.94, 126,338,678.43 and 25,930,361.68 is: 38,899,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,751.94 : 126,338,678.43 = 25,930,361.68 : x
  2. Step 2: Convert to fraction form
    84,217,751.94/126,338,678.43 = 25,930,361.68/x
  3. Step 3: Cross multiply
    84,217,751.94x = 126,338,678.43 × 25,930,361.68
  4. Step 4: Simplify right side
    84,217,751.94x = 3,276,007,625,863,114.50
  5. Step 5: Solve for x
    x = 3,276,007,625,863,114.50/84,217,751.94
  6. Step 6: Final answer
    x = 38,899,252.83

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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.