Home / 205,140,272.80-307,449,135.60-83,834,672.80

Finding the Fourth Proportional to 205,140,272.80, 307,449,135.60 and 83,834,672.80

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Solution

The fourth proportional to 205,140,272.80, 307,449,135.60 and 83,834,672.80 is: 125,645,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,140,272.80 : 307,449,135.60 = 83,834,672.80 : x
  2. Step 2: Convert to fraction form
    205,140,272.80/307,449,135.60 = 83,834,672.80/x
  3. Step 3: Cross multiply
    205,140,272.80x = 307,449,135.60 × 83,834,672.80
  4. Step 4: Simplify right side
    205,140,272.80x = 25,774,897,685,668,832
  5. Step 5: Solve for x
    x = 25,774,897,685,668,832/205,140,272.80
  6. Step 6: Final answer
    x = 125,645,234.52

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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.