Home / 361,998,609.36-543,082,931.64-119,661,504.72

Finding the Fourth Proportional to 361,998,609.36, 543,082,931.64 and 119,661,504.72

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Solution

The fourth proportional to 361,998,609.36, 543,082,931.64 and 119,661,504.72 is: 179,520,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,998,609.36 : 543,082,931.64 = 119,661,504.72 : x
  2. Step 2: Convert to fraction form
    361,998,609.36/543,082,931.64 = 119,661,504.72/x
  3. Step 3: Cross multiply
    361,998,609.36x = 543,082,931.64 × 119,661,504.72
  4. Step 4: Simplify right side
    361,998,609.36x = 64,986,120,787,791,296
  5. Step 5: Solve for x
    x = 64,986,120,787,791,296/361,998,609.36
  6. Step 6: Final answer
    x = 179,520,360.32

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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.