Home / 142,826,039.96-214,259,235.38-45,759,041.88

Finding the Fourth Proportional to 142,826,039.96, 214,259,235.38 and 45,759,041.88

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Solution

The fourth proportional to 142,826,039.96, 214,259,235.38 and 45,759,041.88 is: 68,645,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,826,039.96 : 214,259,235.38 = 45,759,041.88 : x
  2. Step 2: Convert to fraction form
    142,826,039.96/214,259,235.38 = 45,759,041.88/x
  3. Step 3: Cross multiply
    142,826,039.96x = 214,259,235.38 × 45,759,041.88
  4. Step 4: Simplify right side
    142,826,039.96x = 9,804,297,324,930,198
  5. Step 5: Solve for x
    x = 9,804,297,324,930,198/142,826,039.96
  6. Step 6: Final answer
    x = 68,645,026.69

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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.