Home / 215,320,805.20-322,596,295.80-131,036,741.20

Finding the Fourth Proportional to 215,320,805.20, 322,596,295.80 and 131,036,741.20

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Solution

The fourth proportional to 215,320,805.20, 322,596,295.80 and 131,036,741.20 is: 196,320,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,320,805.20 : 322,596,295.80 = 131,036,741.20 : x
  2. Step 2: Convert to fraction form
    215,320,805.20/322,596,295.80 = 131,036,741.20/x
  3. Step 3: Cross multiply
    215,320,805.20x = 322,596,295.80 × 131,036,741.20
  4. Step 4: Simplify right side
    215,320,805.20x = 42,271,967,324,823,248
  5. Step 5: Solve for x
    x = 42,271,967,324,823,248/215,320,805.20
  6. Step 6: Final answer
    x = 196,320,867.77

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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.