Home / 47,865,469.60-71,638,772.10-42,125,906.80

Finding the Fourth Proportional to 47,865,469.60, 71,638,772.10 and 42,125,906.80

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Solution

The fourth proportional to 47,865,469.60, 71,638,772.10 and 42,125,906.80 is: 63,048,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,865,469.60 : 71,638,772.10 = 42,125,906.80 : x
  2. Step 2: Convert to fraction form
    47,865,469.60/71,638,772.10 = 42,125,906.80/x
  3. Step 3: Cross multiply
    47,865,469.60x = 71,638,772.10 × 42,125,906.80
  4. Step 4: Simplify right side
    47,865,469.60x = 3,017,848,236,751,040
  5. Step 5: Solve for x
    x = 3,017,848,236,751,040/47,865,469.60
  6. Step 6: Final answer
    x = 63,048,545.47

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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.