Home / 132,169,889.67-198,232,845.06-40,031,721.48

Finding the Fourth Proportional to 132,169,889.67, 198,232,845.06 and 40,031,721.48

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Solution

The fourth proportional to 132,169,889.67, 198,232,845.06 and 40,031,721.48 is: 60,040,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,169,889.67 : 198,232,845.06 = 40,031,721.48 : x
  2. Step 2: Convert to fraction form
    132,169,889.67/198,232,845.06 = 40,031,721.48/x
  3. Step 3: Cross multiply
    132,169,889.67x = 198,232,845.06 × 40,031,721.48
  4. Step 4: Simplify right side
    132,169,889.67x = 7,935,602,041,629,913
  5. Step 5: Solve for x
    x = 7,935,602,041,629,913/132,169,889.67
  6. Step 6: Final answer
    x = 60,040,922.04

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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.