Home / 157,266,469.20-235,899,703.80-55,019,845.20

Finding the Fourth Proportional to 157,266,469.20, 235,899,703.80 and 55,019,845.20

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Solution

The fourth proportional to 157,266,469.20, 235,899,703.80 and 55,019,845.20 is: 82,529,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,266,469.20 : 235,899,703.80 = 55,019,845.20 : x
  2. Step 2: Convert to fraction form
    157,266,469.20/235,899,703.80 = 55,019,845.20/x
  3. Step 3: Cross multiply
    157,266,469.20x = 235,899,703.80 × 55,019,845.20
  4. Step 4: Simplify right side
    157,266,469.20x = 12,979,165,185,801,854
  5. Step 5: Solve for x
    x = 12,979,165,185,801,854/157,266,469.20
  6. Step 6: Final answer
    x = 82,529,767.80

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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.