Home / 154,557,019.90-231,835,529.85-82,893,403.90

Finding the Fourth Proportional to 154,557,019.90, 231,835,529.85 and 82,893,403.90

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Solution

The fourth proportional to 154,557,019.90, 231,835,529.85 and 82,893,403.90 is: 124,340,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,019.90 : 231,835,529.85 = 82,893,403.90 : x
  2. Step 2: Convert to fraction form
    154,557,019.90/231,835,529.85 = 82,893,403.90/x
  3. Step 3: Cross multiply
    154,557,019.90x = 231,835,529.85 × 82,893,403.90
  4. Step 4: Simplify right side
    154,557,019.90x = 19,217,636,214,226,556
  5. Step 5: Solve for x
    x = 19,217,636,214,226,556/154,557,019.90
  6. Step 6: Final answer
    x = 124,340,105.85

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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.