Home / 186,777,961.20-280,166,941.80-79,282,537.20

Finding the Fourth Proportional to 186,777,961.20, 280,166,941.80 and 79,282,537.20

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Solution

The fourth proportional to 186,777,961.20, 280,166,941.80 and 79,282,537.20 is: 118,923,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,777,961.20 : 280,166,941.80 = 79,282,537.20 : x
  2. Step 2: Convert to fraction form
    186,777,961.20/280,166,941.80 = 79,282,537.20/x
  3. Step 3: Cross multiply
    186,777,961.20x = 280,166,941.80 × 79,282,537.20
  4. Step 4: Simplify right side
    186,777,961.20x = 22,212,345,985,468,736
  5. Step 5: Solve for x
    x = 22,212,345,985,468,736/186,777,961.20
  6. Step 6: Final answer
    x = 118,923,805.80

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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.