Home / 360,179,129.35-540,322,503.19-114,543,777.64

Finding the Fourth Proportional to 360,179,129.35, 540,322,503.19 and 114,543,777.64

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Solution

The fourth proportional to 360,179,129.35, 540,322,503.19 and 114,543,777.64 is: 171,832,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,179,129.35 : 540,322,503.19 = 114,543,777.64 : x
  2. Step 2: Convert to fraction form
    360,179,129.35/540,322,503.19 = 114,543,777.64/x
  3. Step 3: Cross multiply
    360,179,129.35x = 540,322,503.19 × 114,543,777.64
  4. Step 4: Simplify right side
    360,179,129.35x = 61,890,580,661,284,936
  5. Step 5: Solve for x
    x = 61,890,580,661,284,936/360,179,129.35
  6. Step 6: Final answer
    x = 171,832,778.80

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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.