Home / 291,270,553.90-436,905,830.85-75,859,801.90

Finding the Fourth Proportional to 291,270,553.90, 436,905,830.85 and 75,859,801.90

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Solution

The fourth proportional to 291,270,553.90, 436,905,830.85 and 75,859,801.90 is: 113,789,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,270,553.90 : 436,905,830.85 = 75,859,801.90 : x
  2. Step 2: Convert to fraction form
    291,270,553.90/436,905,830.85 = 75,859,801.90/x
  3. Step 3: Cross multiply
    291,270,553.90x = 436,905,830.85 × 75,859,801.90
  4. Step 4: Simplify right side
    291,270,553.90x = 33,143,589,777,235,912
  5. Step 5: Solve for x
    x = 33,143,589,777,235,912/291,270,553.90
  6. Step 6: Final answer
    x = 113,789,702.85

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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.