Home / 230,030,487.90-344,982,885.15-82,450,540.70

Finding the Fourth Proportional to 230,030,487.90, 344,982,885.15 and 82,450,540.70

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Solution

The fourth proportional to 230,030,487.90, 344,982,885.15 and 82,450,540.70 is: 123,653,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,030,487.90 : 344,982,885.15 = 82,450,540.70 : x
  2. Step 2: Convert to fraction form
    230,030,487.90/344,982,885.15 = 82,450,540.70/x
  3. Step 3: Cross multiply
    230,030,487.90x = 344,982,885.15 × 82,450,540.70
  4. Step 4: Simplify right side
    230,030,487.90x = 28,444,025,412,863,500
  5. Step 5: Solve for x
    x = 28,444,025,412,863,500/230,030,487.90
  6. Step 6: Final answer
    x = 123,653,284.71

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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.