Home / 195,348,375.66-292,799,669.57-78,689,083.77

Finding the Fourth Proportional to 195,348,375.66, 292,799,669.57 and 78,689,083.77

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Solution

The fourth proportional to 195,348,375.66, 292,799,669.57 and 78,689,083.77 is: 117,943,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,348,375.66 : 292,799,669.57 = 78,689,083.77 : x
  2. Step 2: Convert to fraction form
    195,348,375.66/292,799,669.57 = 78,689,083.77/x
  3. Step 3: Cross multiply
    195,348,375.66x = 292,799,669.57 × 78,689,083.77
  4. Step 4: Simplify right side
    195,348,375.66x = 23,040,137,726,228,604
  5. Step 5: Solve for x
    x = 23,040,137,726,228,604/195,348,375.66
  6. Step 6: Final answer
    x = 117,943,840.84

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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.