Home / 284,442,096.72-392,561,949.36-160,690,745.44

Finding the Fourth Proportional to 284,442,096.72, 392,561,949.36 and 160,690,745.44

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Solution

The fourth proportional to 284,442,096.72, 392,561,949.36 and 160,690,745.44 is: 221,771,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,442,096.72 : 392,561,949.36 = 160,690,745.44 : x
  2. Step 2: Convert to fraction form
    284,442,096.72/392,561,949.36 = 160,690,745.44/x
  3. Step 3: Cross multiply
    284,442,096.72x = 392,561,949.36 × 160,690,745.44
  4. Step 4: Simplify right side
    284,442,096.72x = 63,081,072,274,037,936
  5. Step 5: Solve for x
    x = 63,081,072,274,037,936/284,442,096.72
  6. Step 6: Final answer
    x = 221,771,225.15

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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.