Home / 291,330,372.10-436,995,558.15-75,919,620.10

Finding the Fourth Proportional to 291,330,372.10, 436,995,558.15 and 75,919,620.10

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Solution

The fourth proportional to 291,330,372.10, 436,995,558.15 and 75,919,620.10 is: 113,879,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,330,372.10 : 436,995,558.15 = 75,919,620.10 : x
  2. Step 2: Convert to fraction form
    291,330,372.10/436,995,558.15 = 75,919,620.10/x
  3. Step 3: Cross multiply
    291,330,372.10x = 436,995,558.15 × 75,919,620.10
  4. Step 4: Simplify right side
    291,330,372.10x = 33,176,536,760,135,456
  5. Step 5: Solve for x
    x = 33,176,536,760,135,456/291,330,372.10
  6. Step 6: Final answer
    x = 113,879,430.15

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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.