Home / 79,332,300.60-118,998,450.90-55,145,830.20

Finding the Fourth Proportional to 79,332,300.60, 118,998,450.90 and 55,145,830.20

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Solution

The fourth proportional to 79,332,300.60, 118,998,450.90 and 55,145,830.20 is: 82,718,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,332,300.60 : 118,998,450.90 = 55,145,830.20 : x
  2. Step 2: Convert to fraction form
    79,332,300.60/118,998,450.90 = 55,145,830.20/x
  3. Step 3: Cross multiply
    79,332,300.60x = 118,998,450.90 × 55,145,830.20
  4. Step 4: Simplify right side
    79,332,300.60x = 6,562,268,367,394,438
  5. Step 5: Solve for x
    x = 6,562,268,367,394,438/79,332,300.60
  6. Step 6: Final answer
    x = 82,718,745.30

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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.