Home / 455,544,007.20-683,432,534.32-132,427,879.20

Finding the Fourth Proportional to 455,544,007.20, 683,432,534.32 and 132,427,879.20

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Solution

The fourth proportional to 455,544,007.20, 683,432,534.32 and 132,427,879.20 is: 198,675,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,544,007.20 : 683,432,534.32 = 132,427,879.20 : x
  2. Step 2: Convert to fraction form
    455,544,007.20/683,432,534.32 = 132,427,879.20/x
  3. Step 3: Cross multiply
    455,544,007.20x = 683,432,534.32 × 132,427,879.20
  4. Step 4: Simplify right side
    455,544,007.20x = 90,505,521,096,278,816
  5. Step 5: Solve for x
    x = 90,505,521,096,278,816/455,544,007.20
  6. Step 6: Final answer
    x = 198,675,692.50

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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.