Home / 215,376,765.88-297,215,900.04-131,738,752.57

Finding the Fourth Proportional to 215,376,765.88, 297,215,900.04 and 131,738,752.57

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Solution

The fourth proportional to 215,376,765.88, 297,215,900.04 and 131,738,752.57 is: 181,797,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,376,765.88 : 297,215,900.04 = 131,738,752.57 : x
  2. Step 2: Convert to fraction form
    215,376,765.88/297,215,900.04 = 131,738,752.57/x
  3. Step 3: Cross multiply
    215,376,765.88x = 297,215,900.04 × 131,738,752.57
  4. Step 4: Simplify right side
    215,376,765.88x = 39,154,851,913,753,336
  5. Step 5: Solve for x
    x = 39,154,851,913,753,336/215,376,765.88
  6. Step 6: Final answer
    x = 181,797,009.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.