Home / 154,556,619.70-231,834,929.55-82,893,003.70

Finding the Fourth Proportional to 154,556,619.70, 231,834,929.55 and 82,893,003.70

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Solution

The fourth proportional to 154,556,619.70, 231,834,929.55 and 82,893,003.70 is: 124,339,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,556,619.70 : 231,834,929.55 = 82,893,003.70 : x
  2. Step 2: Convert to fraction form
    154,556,619.70/231,834,929.55 = 82,893,003.70/x
  3. Step 3: Cross multiply
    154,556,619.70x = 231,834,929.55 × 82,893,003.70
  4. Step 4: Simplify right side
    154,556,619.70x = 19,217,493,672,977,392
  5. Step 5: Solve for x
    x = 19,217,493,672,977,392/154,556,619.70
  6. Step 6: Final answer
    x = 124,339,505.55

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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.