Home / 312,948,006.14-431,846,645.40-173,707,806.94

Finding the Fourth Proportional to 312,948,006.14, 431,846,645.40 and 173,707,806.94

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Solution

The fourth proportional to 312,948,006.14, 431,846,645.40 and 173,707,806.94 is: 239,704,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,948,006.14 : 431,846,645.40 = 173,707,806.94 : x
  2. Step 2: Convert to fraction form
    312,948,006.14/431,846,645.40 = 173,707,806.94/x
  3. Step 3: Cross multiply
    312,948,006.14x = 431,846,645.40 × 173,707,806.94
  4. Step 4: Simplify right side
    312,948,006.14x = 75,015,133,705,750,224
  5. Step 5: Solve for x
    x = 75,015,133,705,750,224/312,948,006.14
  6. Step 6: Final answer
    x = 239,704,782.37

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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.