Home / 84,231,774.05-126,389,651.48-47,868,087.65

Finding the Fourth Proportional to 84,231,774.05, 126,389,651.48 and 47,868,087.65

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Solution

The fourth proportional to 84,231,774.05, 126,389,651.48 and 47,868,087.65 is: 71,825,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,231,774.05 : 126,389,651.48 = 47,868,087.65 : x
  2. Step 2: Convert to fraction form
    84,231,774.05/126,389,651.48 = 47,868,087.65/x
  3. Step 3: Cross multiply
    84,231,774.05x = 126,389,651.48 × 47,868,087.65
  4. Step 4: Simplify right side
    84,231,774.05x = 6,050,030,914,858,251
  5. Step 5: Solve for x
    x = 6,050,030,914,858,251/84,231,774.05
  6. Step 6: Final answer
    x = 71,825,994.21

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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.