Home / 261,601,543.08-361,010,471.40-142,523,543.52

Finding the Fourth Proportional to 261,601,543.08, 361,010,471.40 and 142,523,543.52

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Solution

The fourth proportional to 261,601,543.08, 361,010,471.40 and 142,523,543.52 is: 196,682,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,601,543.08 : 361,010,471.40 = 142,523,543.52 : x
  2. Step 2: Convert to fraction form
    261,601,543.08/361,010,471.40 = 142,523,543.52/x
  3. Step 3: Cross multiply
    261,601,543.08x = 361,010,471.40 × 142,523,543.52
  4. Step 4: Simplify right side
    261,601,543.08x = 51,452,491,631,753,616
  5. Step 5: Solve for x
    x = 51,452,491,631,753,616/261,601,543.08
  6. Step 6: Final answer
    x = 196,682,676.36

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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.