Home / 154,771,064.97-232,302,049.61-81,047,760.79

Finding the Fourth Proportional to 154,771,064.97, 232,302,049.61 and 81,047,760.79

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Solution

The fourth proportional to 154,771,064.97, 232,302,049.61 and 81,047,760.79 is: 121,647,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,771,064.97 : 232,302,049.61 = 81,047,760.79 : x
  2. Step 2: Convert to fraction form
    154,771,064.97/232,302,049.61 = 81,047,760.79/x
  3. Step 3: Cross multiply
    154,771,064.97x = 232,302,049.61 × 81,047,760.79
  4. Step 4: Simplify right side
    154,771,064.97x = 18,827,560,947,377,380
  5. Step 5: Solve for x
    x = 18,827,560,947,377,380/154,771,064.97
  6. Step 6: Final answer
    x = 121,647,808.98

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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.