Home / 154,556,922.70-231,835,384.05-82,893,306.70

Finding the Fourth Proportional to 154,556,922.70, 231,835,384.05 and 82,893,306.70

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Solution

The fourth proportional to 154,556,922.70, 231,835,384.05 and 82,893,306.70 is: 124,339,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,556,922.70 : 231,835,384.05 = 82,893,306.70 : x
  2. Step 2: Convert to fraction form
    154,556,922.70/231,835,384.05 = 82,893,306.70/x
  3. Step 3: Cross multiply
    154,556,922.70x = 231,835,384.05 × 82,893,306.70
  4. Step 4: Simplify right side
    154,556,922.70x = 19,217,601,593,968,940
  5. Step 5: Solve for x
    x = 19,217,601,593,968,940/154,556,922.70
  6. Step 6: Final answer
    x = 124,339,960.05

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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.