Home / 262,464,754.80-393,697,132.20-80,688,313.20

Finding the Fourth Proportional to 262,464,754.80, 393,697,132.20 and 80,688,313.20

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Solution

The fourth proportional to 262,464,754.80, 393,697,132.20 and 80,688,313.20 is: 121,032,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,464,754.80 : 393,697,132.20 = 80,688,313.20 : x
  2. Step 2: Convert to fraction form
    262,464,754.80/393,697,132.20 = 80,688,313.20/x
  3. Step 3: Cross multiply
    262,464,754.80x = 393,697,132.20 × 80,688,313.20
  4. Step 4: Simplify right side
    262,464,754.80x = 31,766,757,508,895,404
  5. Step 5: Solve for x
    x = 31,766,757,508,895,404/262,464,754.80
  6. Step 6: Final answer
    x = 121,032,469.80

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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.