Home / 256,607,998.80-384,837,348.60-141,647,614.80

Finding the Fourth Proportional to 256,607,998.80, 384,837,348.60 and 141,647,614.80

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Solution

The fourth proportional to 256,607,998.80, 384,837,348.60 and 141,647,614.80 is: 212,430,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,607,998.80 : 384,837,348.60 = 141,647,614.80 : x
  2. Step 2: Convert to fraction form
    256,607,998.80/384,837,348.60 = 141,647,614.80/x
  3. Step 3: Cross multiply
    256,607,998.80x = 384,837,348.60 × 141,647,614.80
  4. Step 4: Simplify right side
    256,607,998.80x = 54,511,292,515,146,128
  5. Step 5: Solve for x
    x = 54,511,292,515,146,128/256,607,998.80
  6. Step 6: Final answer
    x = 212,430,215.62

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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.