Home / 79,052,318,638.62-109,092,199,721.30-45,219,613,747.67

Finding the Fourth Proportional to 79,052,318,638.62, 109,092,199,721.30 and 45,219,613,747.67

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Solution

The fourth proportional to 79,052,318,638.62, 109,092,199,721.30 and 45,219,613,747.67 is: 62,403,066,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,052,318,638.62 : 109,092,199,721.30 = 45,219,613,747.67 : x
  2. Step 2: Convert to fraction form
    79,052,318,638.62/109,092,199,721.30 = 45,219,613,747.67/x
  3. Step 3: Cross multiply
    79,052,318,638.62x = 109,092,199,721.30 × 45,219,613,747.67
  4. Step 4: Simplify right side
    79,052,318,638.62x = 4,933,107,134,280,858,861,568
  5. Step 5: Solve for x
    x = 4,933,107,134,280,858,861,568/79,052,318,638.62
  6. Step 6: Final answer
    x = 62,403,066,971.79

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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.