Home / 185,379,919.60-277,751,014.80-120,650,405.80

Finding the Fourth Proportional to 185,379,919.60, 277,751,014.80 and 120,650,405.80

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Solution

The fourth proportional to 185,379,919.60, 277,751,014.80 and 120,650,405.80 is: 180,768,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,379,919.60 : 277,751,014.80 = 120,650,405.80 : x
  2. Step 2: Convert to fraction form
    185,379,919.60/277,751,014.80 = 120,650,405.80/x
  3. Step 3: Cross multiply
    185,379,919.60x = 277,751,014.80 × 120,650,405.80
  4. Step 4: Simplify right side
    185,379,919.60x = 33,510,772,646,981,808
  5. Step 5: Solve for x
    x = 33,510,772,646,981,808/185,379,919.60
  6. Step 6: Final answer
    x = 180,768,082.75

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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.