Home / 290,489,751.92-400,873,267.94-158,330,741.60

Finding the Fourth Proportional to 290,489,751.92, 400,873,267.94 and 158,330,741.60

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Solution

The fourth proportional to 290,489,751.92, 400,873,267.94 and 158,330,741.60 is: 218,495,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,489,751.92 : 400,873,267.94 = 158,330,741.60 : x
  2. Step 2: Convert to fraction form
    290,489,751.92/400,873,267.94 = 158,330,741.60/x
  3. Step 3: Cross multiply
    290,489,751.92x = 400,873,267.94 × 158,330,741.60
  4. Step 4: Simplify right side
    290,489,751.92x = 63,470,561,800,555,704
  5. Step 5: Solve for x
    x = 63,470,561,800,555,704/290,489,751.92
  6. Step 6: Final answer
    x = 218,495,011.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.