Home / 279,200,372.78-385,284,085.45-160,037,536.66

Finding the Fourth Proportional to 279,200,372.78, 385,284,085.45 and 160,037,536.66

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Solution

The fourth proportional to 279,200,372.78, 385,284,085.45 and 160,037,536.66 is: 220,844,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,200,372.78 : 385,284,085.45 = 160,037,536.66 : x
  2. Step 2: Convert to fraction form
    279,200,372.78/385,284,085.45 = 160,037,536.66/x
  3. Step 3: Cross multiply
    279,200,372.78x = 385,284,085.45 × 160,037,536.66
  4. Step 4: Simplify right side
    279,200,372.78x = 61,659,915,948,355,640
  5. Step 5: Solve for x
    x = 61,659,915,948,355,640/279,200,372.78
  6. Step 6: Final answer
    x = 220,844,676.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.