Home / 139,020,198.40-208,530,297.60-36,794,569.60

Finding the Fourth Proportional to 139,020,198.40, 208,530,297.60 and 36,794,569.60

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Solution

The fourth proportional to 139,020,198.40, 208,530,297.60 and 36,794,569.60 is: 55,191,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,020,198.40 : 208,530,297.60 = 36,794,569.60 : x
  2. Step 2: Convert to fraction form
    139,020,198.40/208,530,297.60 = 36,794,569.60/x
  3. Step 3: Cross multiply
    139,020,198.40x = 208,530,297.60 × 36,794,569.60
  4. Step 4: Simplify right side
    139,020,198.40x = 7,672,782,548,751,913
  5. Step 5: Solve for x
    x = 7,672,782,548,751,913/139,020,198.40
  6. Step 6: Final answer
    x = 55,191,854.40

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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.