Home / 185,379,920.10-277,751,015.55-120,650,406.30

Finding the Fourth Proportional to 185,379,920.10, 277,751,015.55 and 120,650,406.30

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Solution

The fourth proportional to 185,379,920.10, 277,751,015.55 and 120,650,406.30 is: 180,768,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,379,920.10 : 277,751,015.55 = 120,650,406.30 : x
  2. Step 2: Convert to fraction form
    185,379,920.10/277,751,015.55 = 120,650,406.30/x
  3. Step 3: Cross multiply
    185,379,920.10x = 277,751,015.55 × 120,650,406.30
  4. Step 4: Simplify right side
    185,379,920.10x = 33,510,772,876,345,120
  5. Step 5: Solve for x
    x = 33,510,772,876,345,120/185,379,920.10
  6. Step 6: Final answer
    x = 180,768,083.50

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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.