Home / 177,146,015.20-265,719,022.80-159,230,111.20

Finding the Fourth Proportional to 177,146,015.20, 265,719,022.80 and 159,230,111.20

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Solution

The fourth proportional to 177,146,015.20, 265,719,022.80 and 159,230,111.20 is: 238,845,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,146,015.20 : 265,719,022.80 = 159,230,111.20 : x
  2. Step 2: Convert to fraction form
    177,146,015.20/265,719,022.80 = 159,230,111.20/x
  3. Step 3: Cross multiply
    177,146,015.20x = 265,719,022.80 × 159,230,111.20
  4. Step 4: Simplify right side
    177,146,015.20x = 42,310,469,548,399,336
  5. Step 5: Solve for x
    x = 42,310,469,548,399,336/177,146,015.20
  6. Step 6: Final answer
    x = 238,845,166.80

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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.