Home / 177,187,784.30-265,781,676.45-81,449,672.30

Finding the Fourth Proportional to 177,187,784.30, 265,781,676.45 and 81,449,672.30

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Solution

The fourth proportional to 177,187,784.30, 265,781,676.45 and 81,449,672.30 is: 122,174,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,187,784.30 : 265,781,676.45 = 81,449,672.30 : x
  2. Step 2: Convert to fraction form
    177,187,784.30/265,781,676.45 = 81,449,672.30/x
  3. Step 3: Cross multiply
    177,187,784.30x = 265,781,676.45 × 81,449,672.30
  4. Step 4: Simplify right side
    177,187,784.30x = 21,647,830,450,197,124
  5. Step 5: Solve for x
    x = 21,647,830,450,197,124/177,187,784.30
  6. Step 6: Final answer
    x = 122,174,508.45

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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.