Home / 455,168,086.80-682,752,130.20-114,765,910.80

Finding the Fourth Proportional to 455,168,086.80, 682,752,130.20 and 114,765,910.80

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Solution

The fourth proportional to 455,168,086.80, 682,752,130.20 and 114,765,910.80 is: 172,148,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,168,086.80 : 682,752,130.20 = 114,765,910.80 : x
  2. Step 2: Convert to fraction form
    455,168,086.80/682,752,130.20 = 114,765,910.80/x
  3. Step 3: Cross multiply
    455,168,086.80x = 682,752,130.20 × 114,765,910.80
  4. Step 4: Simplify right side
    455,168,086.80x = 78,356,670,073,043,184
  5. Step 5: Solve for x
    x = 78,356,670,073,043,184/455,168,086.80
  6. Step 6: Final answer
    x = 172,148,866.20

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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.