Home / 215,376,767.20-297,215,901.88-131,738,753.89

Finding the Fourth Proportional to 215,376,767.20, 297,215,901.88 and 131,738,753.89

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Solution

The fourth proportional to 215,376,767.20, 297,215,901.88 and 131,738,753.89 is: 181,797,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,376,767.20 : 297,215,901.88 = 131,738,753.89 : x
  2. Step 2: Convert to fraction form
    215,376,767.20/297,215,901.88 = 131,738,753.89/x
  3. Step 3: Cross multiply
    215,376,767.20x = 297,215,901.88 × 131,738,753.89
  4. Step 4: Simplify right side
    215,376,767.20x = 39,154,852,548,335,528
  5. Step 5: Solve for x
    x = 39,154,852,548,335,528/215,376,767.20
  6. Step 6: Final answer
    x = 181,797,011.15

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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.