Home / 199,117,517.87-274,781,193.13-115,502,559.23

Finding the Fourth Proportional to 199,117,517.87, 274,781,193.13 and 115,502,559.23

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Solution

The fourth proportional to 199,117,517.87, 274,781,193.13 and 115,502,559.23 is: 159,392,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,117,517.87 : 274,781,193.13 = 115,502,559.23 : x
  2. Step 2: Convert to fraction form
    199,117,517.87/274,781,193.13 = 115,502,559.23/x
  3. Step 3: Cross multiply
    199,117,517.87x = 274,781,193.13 × 115,502,559.23
  4. Step 4: Simplify right side
    199,117,517.87x = 31,737,931,034,787,896
  5. Step 5: Solve for x
    x = 31,737,931,034,787,896/199,117,517.87
  6. Step 6: Final answer
    x = 159,392,962.38

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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.