Home / 174,212,662.69-261,500,589.96-77,236,473.79

Finding the Fourth Proportional to 174,212,662.69, 261,500,589.96 and 77,236,473.79

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Solution

The fourth proportional to 174,212,662.69, 261,500,589.96 and 77,236,473.79 is: 115,935,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,212,662.69 : 261,500,589.96 = 77,236,473.79 : x
  2. Step 2: Convert to fraction form
    174,212,662.69/261,500,589.96 = 77,236,473.79/x
  3. Step 3: Cross multiply
    174,212,662.69x = 261,500,589.96 × 77,236,473.79
  4. Step 4: Simplify right side
    174,212,662.69x = 20,197,383,462,515,080
  5. Step 5: Solve for x
    x = 20,197,383,462,515,080/174,212,662.69
  6. Step 6: Final answer
    x = 115,935,220.50

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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.