Home / 177,159,008.20-265,738,512.30-131,809,376.20

Finding the Fourth Proportional to 177,159,008.20, 265,738,512.30 and 131,809,376.20

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Solution

The fourth proportional to 177,159,008.20, 265,738,512.30 and 131,809,376.20 is: 197,714,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,159,008.20 : 265,738,512.30 = 131,809,376.20 : x
  2. Step 2: Convert to fraction form
    177,159,008.20/265,738,512.30 = 131,809,376.20/x
  3. Step 3: Cross multiply
    177,159,008.20x = 265,738,512.30 × 131,809,376.20
  4. Step 4: Simplify right side
    177,159,008.20x = 35,026,827,538,579,028
  5. Step 5: Solve for x
    x = 35,026,827,538,579,028/177,159,008.20
  6. Step 6: Final answer
    x = 197,714,064.30

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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.