Home / 154,556,906.40-231,835,359.60-82,893,290.40

Finding the Fourth Proportional to 154,556,906.40, 231,835,359.60 and 82,893,290.40

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Solution

The fourth proportional to 154,556,906.40, 231,835,359.60 and 82,893,290.40 is: 124,339,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,556,906.40 : 231,835,359.60 = 82,893,290.40 : x
  2. Step 2: Convert to fraction form
    154,556,906.40/231,835,359.60 = 82,893,290.40/x
  3. Step 3: Cross multiply
    154,556,906.40x = 231,835,359.60 × 82,893,290.40
  4. Step 4: Simplify right side
    154,556,906.40x = 19,217,595,788,311,228
  5. Step 5: Solve for x
    x = 19,217,595,788,311,228/154,556,906.40
  6. Step 6: Final answer
    x = 124,339,935.60

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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.