Home / 215,376,772.89-297,215,909.69-131,738,759.58

Finding the Fourth Proportional to 215,376,772.89, 297,215,909.69 and 131,738,759.58

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Solution

The fourth proportional to 215,376,772.89, 297,215,909.69 and 131,738,759.58 is: 181,797,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,376,772.89 : 297,215,909.69 = 131,738,759.58 : x
  2. Step 2: Convert to fraction form
    215,376,772.89/297,215,909.69 = 131,738,759.58/x
  3. Step 3: Cross multiply
    215,376,772.89x = 297,215,909.69 × 131,738,759.58
  4. Step 4: Simplify right side
    215,376,772.89x = 39,154,855,269,343,208
  5. Step 5: Solve for x
    x = 39,154,855,269,343,208/215,376,772.89
  6. Step 6: Final answer
    x = 181,797,018.98

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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.