Home / 171,907,249.30-257,294,003.55-120,888,913.30

Finding the Fourth Proportional to 171,907,249.30, 257,294,003.55 and 120,888,913.30

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Solution

The fourth proportional to 171,907,249.30, 257,294,003.55 and 120,888,913.30 is: 180,934,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,907,249.30 : 257,294,003.55 = 120,888,913.30 : x
  2. Step 2: Convert to fraction form
    171,907,249.30/257,294,003.55 = 120,888,913.30/x
  3. Step 3: Cross multiply
    171,907,249.30x = 257,294,003.55 × 120,888,913.30
  4. Step 4: Simplify right side
    171,907,249.30x = 31,103,992,487,765,844
  5. Step 5: Solve for x
    x = 31,103,992,487,765,844/171,907,249.30
  6. Step 6: Final answer
    x = 180,934,734.37

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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.