Home / 209,456,403.40-313,969,028.86-92,926,638.19

Finding the Fourth Proportional to 209,456,403.40, 313,969,028.86 and 92,926,638.19

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Solution

The fourth proportional to 209,456,403.40, 313,969,028.86 and 92,926,638.19 is: 139,294,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,456,403.40 : 313,969,028.86 = 92,926,638.19 : x
  2. Step 2: Convert to fraction form
    209,456,403.40/313,969,028.86 = 92,926,638.19/x
  3. Step 3: Cross multiply
    209,456,403.40x = 313,969,028.86 × 92,926,638.19
  4. Step 4: Simplify right side
    209,456,403.40x = 29,176,086,347,738,888
  5. Step 5: Solve for x
    x = 29,176,086,347,738,888/209,456,403.40
  6. Step 6: Final answer
    x = 139,294,315.54

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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.