Home / 175,764,004.31-263,697,198.05-78,697,010.36

Finding the Fourth Proportional to 175,764,004.31, 263,697,198.05 and 78,697,010.36

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Solution

The fourth proportional to 175,764,004.31, 263,697,198.05 and 78,697,010.36 is: 118,068,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,764,004.31 : 263,697,198.05 = 78,697,010.36 : x
  2. Step 2: Convert to fraction form
    175,764,004.31/263,697,198.05 = 78,697,010.36/x
  3. Step 3: Cross multiply
    175,764,004.31x = 263,697,198.05 × 78,697,010.36
  4. Step 4: Simplify right side
    175,764,004.31x = 20,752,181,125,722,080
  5. Step 5: Solve for x
    x = 20,752,181,125,722,080/175,764,004.31
  6. Step 6: Final answer
    x = 118,068,436.18

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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.