Home / 47,388,793.80-71,083,190.70-39,310,890.60

Finding the Fourth Proportional to 47,388,793.80, 71,083,190.70 and 39,310,890.60

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Solution

The fourth proportional to 47,388,793.80, 71,083,190.70 and 39,310,890.60 is: 58,966,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388,793.80 : 71,083,190.70 = 39,310,890.60 : x
  2. Step 2: Convert to fraction form
    47,388,793.80/71,083,190.70 = 39,310,890.60/x
  3. Step 3: Cross multiply
    47,388,793.80x = 71,083,190.70 × 39,310,890.60
  4. Step 4: Simplify right side
    47,388,793.80x = 2,794,343,533,106,637.50
  5. Step 5: Solve for x
    x = 2,794,343,533,106,637.50/47,388,793.80
  6. Step 6: Final answer
    x = 58,966,335.90

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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.