Home / 70,741,819.48-97,616,742.78-39,801,305.56

Finding the Fourth Proportional to 70,741,819.48, 97,616,742.78 and 39,801,305.56

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Solution

The fourth proportional to 70,741,819.48, 97,616,742.78 and 39,801,305.56 is: 54,921,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741,819.48 : 97,616,742.78 = 39,801,305.56 : x
  2. Step 2: Convert to fraction form
    70,741,819.48/97,616,742.78 = 39,801,305.56/x
  3. Step 3: Cross multiply
    70,741,819.48x = 97,616,742.78 × 39,801,305.56
  4. Step 4: Simplify right side
    70,741,819.48x = 3,885,273,807,158,704
  5. Step 5: Solve for x
    x = 3,885,273,807,158,704/70,741,819.48
  6. Step 6: Final answer
    x = 54,921,881.23

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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.