Home / 73,170,383.72-109,765,613.96-42,479,370.68

Finding the Fourth Proportional to 73,170,383.72, 109,765,613.96 and 42,479,370.68

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Solution

The fourth proportional to 73,170,383.72, 109,765,613.96 and 42,479,370.68 is: 63,724,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,170,383.72 : 109,765,613.96 = 42,479,370.68 : x
  2. Step 2: Convert to fraction form
    73,170,383.72/109,765,613.96 = 42,479,370.68/x
  3. Step 3: Cross multiply
    73,170,383.72x = 109,765,613.96 × 42,479,370.68
  4. Step 4: Simplify right side
    73,170,383.72x = 4,662,774,203,324,622
  5. Step 5: Solve for x
    x = 4,662,774,203,324,622/73,170,383.72
  6. Step 6: Final answer
    x = 63,724,883.84

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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.