Home / 82,046,976.60-123,089,127.30-47,950,771.80

Finding the Fourth Proportional to 82,046,976.60, 123,089,127.30 and 47,950,771.80

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Solution

The fourth proportional to 82,046,976.60, 123,089,127.30 and 47,950,771.80 is: 71,937,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,976.60 : 123,089,127.30 = 47,950,771.80 : x
  2. Step 2: Convert to fraction form
    82,046,976.60/123,089,127.30 = 47,950,771.80/x
  3. Step 3: Cross multiply
    82,046,976.60x = 123,089,127.30 × 47,950,771.80
  4. Step 4: Simplify right side
    82,046,976.60x = 5,902,218,654,223,450
  5. Step 5: Solve for x
    x = 5,902,218,654,223,450/82,046,976.60
  6. Step 6: Final answer
    x = 71,937,064.58

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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.