Home / 199,043,493.66-274,672,529.55-115,415,153.42

Finding the Fourth Proportional to 199,043,493.66, 274,672,529.55 and 115,415,153.42

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Solution

The fourth proportional to 199,043,493.66, 274,672,529.55 and 115,415,153.42 is: 159,268,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,043,493.66 : 274,672,529.55 = 115,415,153.42 : x
  2. Step 2: Convert to fraction form
    199,043,493.66/274,672,529.55 = 115,415,153.42/x
  3. Step 3: Cross multiply
    199,043,493.66x = 274,672,529.55 × 115,415,153.42
  4. Step 4: Simplify right side
    199,043,493.66x = 31,701,372,136,899,376
  5. Step 5: Solve for x
    x = 31,701,372,136,899,376/199,043,493.66
  6. Step 6: Final answer
    x = 159,268,567.66

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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.