Home / 132,489,576.63-198,755,935.26-39,125,991.78

Finding the Fourth Proportional to 132,489,576.63, 198,755,935.26 and 39,125,991.78

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Solution

The fourth proportional to 132,489,576.63, 198,755,935.26 and 39,125,991.78 is: 58,695,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,489,576.63 : 198,755,935.26 = 39,125,991.78 : x
  2. Step 2: Convert to fraction form
    132,489,576.63/198,755,935.26 = 39,125,991.78/x
  3. Step 3: Cross multiply
    132,489,576.63x = 198,755,935.26 × 39,125,991.78
  4. Step 4: Simplify right side
    132,489,576.63x = 7,776,523,089,208,972
  5. Step 5: Solve for x
    x = 7,776,523,089,208,972/132,489,576.63
  6. Step 6: Final answer
    x = 58,695,357.68

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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.