Home / 84,783,348.70-127,175,023.05-20,957,940.70

Finding the Fourth Proportional to 84,783,348.70, 127,175,023.05 and 20,957,940.70

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Solution

The fourth proportional to 84,783,348.70, 127,175,023.05 and 20,957,940.70 is: 31,436,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,783,348.70 : 127,175,023.05 = 20,957,940.70 : x
  2. Step 2: Convert to fraction form
    84,783,348.70/127,175,023.05 = 20,957,940.70/x
  3. Step 3: Cross multiply
    84,783,348.70x = 127,175,023.05 × 20,957,940.70
  4. Step 4: Simplify right side
    84,783,348.70x = 2,665,326,591,603,033
  5. Step 5: Solve for x
    x = 2,665,326,591,603,033/84,783,348.70
  6. Step 6: Final answer
    x = 31,436,911.05

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1.5x scale

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.