Home / 253,214,682.52-379,768,878.78-71,419,345.24

Finding the Fourth Proportional to 253,214,682.52, 379,768,878.78 and 71,419,345.24

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Solution

The fourth proportional to 253,214,682.52, 379,768,878.78 and 71,419,345.24 is: 107,114,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,214,682.52 : 379,768,878.78 = 71,419,345.24 : x
  2. Step 2: Convert to fraction form
    253,214,682.52/379,768,878.78 = 71,419,345.24/x
  3. Step 3: Cross multiply
    253,214,682.52x = 379,768,878.78 × 71,419,345.24
  4. Step 4: Simplify right side
    253,214,682.52x = 27,122,844,664,996,524
  5. Step 5: Solve for x
    x = 27,122,844,664,996,524/253,214,682.52
  6. Step 6: Final answer
    x = 107,114,028.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.