Home / 159,408,329.20-239,112,493.80-131,064,809.20

Finding the Fourth Proportional to 159,408,329.20, 239,112,493.80 and 131,064,809.20

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Solution

The fourth proportional to 159,408,329.20, 239,112,493.80 and 131,064,809.20 is: 196,597,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,408,329.20 : 239,112,493.80 = 131,064,809.20 : x
  2. Step 2: Convert to fraction form
    159,408,329.20/239,112,493.80 = 131,064,809.20/x
  3. Step 3: Cross multiply
    159,408,329.20x = 239,112,493.80 × 131,064,809.20
  4. Step 4: Simplify right side
    159,408,329.20x = 31,339,233,377,233,184
  5. Step 5: Solve for x
    x = 31,339,233,377,233,184/159,408,329.20
  6. Step 6: Final answer
    x = 196,597,213.80

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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.