Home / 47,568,475.25-65,653,702.05-31,019,869.61

Finding the Fourth Proportional to 47,568,475.25, 65,653,702.05 and 31,019,869.61

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Solution

The fourth proportional to 47,568,475.25, 65,653,702.05 and 31,019,869.61 is: 42,813,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,568,475.25 : 65,653,702.05 = 31,019,869.61 : x
  2. Step 2: Convert to fraction form
    47,568,475.25/65,653,702.05 = 31,019,869.61/x
  3. Step 3: Cross multiply
    47,568,475.25x = 65,653,702.05 × 31,019,869.61
  4. Step 4: Simplify right side
    47,568,475.25x = 2,036,569,277,004,789.50
  5. Step 5: Solve for x
    x = 2,036,569,277,004,789.50/47,568,475.25
  6. Step 6: Final answer
    x = 42,813,423.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.