Home / 101,741,459.67-140,400,207.50-57,692,480.31

Finding the Fourth Proportional to 101,741,459.67, 140,400,207.50 and 57,692,480.31

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Solution

The fourth proportional to 101,741,459.67, 140,400,207.50 and 57,692,480.31 is: 79,613,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,741,459.67 : 140,400,207.50 = 57,692,480.31 : x
  2. Step 2: Convert to fraction form
    101,741,459.67/140,400,207.50 = 57,692,480.31/x
  3. Step 3: Cross multiply
    101,741,459.67x = 140,400,207.50 × 57,692,480.31
  4. Step 4: Simplify right side
    101,741,459.67x = 8,100,036,206,425,203
  5. Step 5: Solve for x
    x = 8,100,036,206,425,203/101,741,459.67
  6. Step 6: Final answer
    x = 79,613,917.79

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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.