Home / 255,490,956-352,577,519.28-139,597,452

Finding the Fourth Proportional to 255,490,956, 352,577,519.28 and 139,597,452

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Solution

The fourth proportional to 255,490,956, 352,577,519.28 and 139,597,452 is: 192,644,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,490,956 : 352,577,519.28 = 139,597,452 : x
  2. Step 2: Convert to fraction form
    255,490,956/352,577,519.28 = 139,597,452/x
  3. Step 3: Cross multiply
    255,490,956x = 352,577,519.28 × 139,597,452
  4. Step 4: Simplify right side
    255,490,956x = 49,218,923,323,968,872
  5. Step 5: Solve for x
    x = 49,218,923,323,968,872/255,490,956
  6. Step 6: Final answer
    x = 192,644,483.76

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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.