Home / 230,711,429.70-346,067,144.55-213,193,656.90

Finding the Fourth Proportional to 230,711,429.70, 346,067,144.55 and 213,193,656.90

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Solution

The fourth proportional to 230,711,429.70, 346,067,144.55 and 213,193,656.90 is: 319,790,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,711,429.70 : 346,067,144.55 = 213,193,656.90 : x
  2. Step 2: Convert to fraction form
    230,711,429.70/346,067,144.55 = 213,193,656.90/x
  3. Step 3: Cross multiply
    230,711,429.70x = 346,067,144.55 × 213,193,656.90
  4. Step 4: Simplify right side
    230,711,429.70x = 73,779,320,079,555,408
  5. Step 5: Solve for x
    x = 73,779,320,079,555,408/230,711,429.70
  6. Step 6: Final answer
    x = 319,790,485.35

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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.