Home / 206,472,627.69-284,939,745.02-112,382,230.49

Finding the Fourth Proportional to 206,472,627.69, 284,939,745.02 and 112,382,230.49

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Solution

The fourth proportional to 206,472,627.69, 284,939,745.02 and 112,382,230.49 is: 155,091,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,472,627.69 : 284,939,745.02 = 112,382,230.49 : x
  2. Step 2: Convert to fraction form
    206,472,627.69/284,939,745.02 = 112,382,230.49/x
  3. Step 3: Cross multiply
    206,472,627.69x = 284,939,745.02 × 112,382,230.49
  4. Step 4: Simplify right side
    206,472,627.69x = 32,022,164,098,612,860
  5. Step 5: Solve for x
    x = 32,022,164,098,612,860/206,472,627.69
  6. Step 6: Final answer
    x = 155,091,570.52

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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.