Home / 383,669,997.30-575,504,995.95-141,427,379.70

Finding the Fourth Proportional to 383,669,997.30, 575,504,995.95 and 141,427,379.70

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Solution

The fourth proportional to 383,669,997.30, 575,504,995.95 and 141,427,379.70 is: 212,141,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,669,997.30 : 575,504,995.95 = 141,427,379.70 : x
  2. Step 2: Convert to fraction form
    383,669,997.30/575,504,995.95 = 141,427,379.70/x
  3. Step 3: Cross multiply
    383,669,997.30x = 575,504,995.95 × 141,427,379.70
  4. Step 4: Simplify right side
    383,669,997.30x = 81,392,163,581,467,616
  5. Step 5: Solve for x
    x = 81,392,163,581,467,616/383,669,997.30
  6. Step 6: Final answer
    x = 212,141,069.55

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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.