Home / 141,517,780.40-212,277,858.92-39,289,789.68

Finding the Fourth Proportional to 141,517,780.40, 212,277,858.92 and 39,289,789.68

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Solution

The fourth proportional to 141,517,780.40, 212,277,858.92 and 39,289,789.68 is: 58,935,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,517,780.40 : 212,277,858.92 = 39,289,789.68 : x
  2. Step 2: Convert to fraction form
    141,517,780.40/212,277,858.92 = 39,289,789.68/x
  3. Step 3: Cross multiply
    141,517,780.40x = 212,277,858.92 × 39,289,789.68
  4. Step 4: Simplify right side
    141,517,780.40x = 8,340,352,430,687,511
  5. Step 5: Solve for x
    x = 8,340,352,430,687,511/141,517,780.40
  6. Step 6: Final answer
    x = 58,935,014.44

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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.