Home / 132,169,907.86-198,232,872.34-40,031,739.69

Finding the Fourth Proportional to 132,169,907.86, 198,232,872.34 and 40,031,739.69

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Solution

The fourth proportional to 132,169,907.86, 198,232,872.34 and 40,031,739.69 is: 60,040,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,169,907.86 : 198,232,872.34 = 40,031,739.69 : x
  2. Step 2: Convert to fraction form
    132,169,907.86/198,232,872.34 = 40,031,739.69/x
  3. Step 3: Cross multiply
    132,169,907.86x = 198,232,872.34 × 40,031,739.69
  4. Step 4: Simplify right side
    132,169,907.86x = 7,935,606,743,515,881
  5. Step 5: Solve for x
    x = 7,935,606,743,515,881/132,169,907.86
  6. Step 6: Final answer
    x = 60,040,949.35

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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.