Home / 39,379,902.40-59,122,997.70-31,301,999.20

Finding the Fourth Proportional to 39,379,902.40, 59,122,997.70 and 31,301,999.20

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Solution

The fourth proportional to 39,379,902.40, 59,122,997.70 and 31,301,999.20 is: 46,995,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379,902.40 : 59,122,997.70 = 31,301,999.20 : x
  2. Step 2: Convert to fraction form
    39,379,902.40/59,122,997.70 = 31,301,999.20/x
  3. Step 3: Cross multiply
    39,379,902.40x = 59,122,997.70 × 31,301,999.20
  4. Step 4: Simplify right side
    39,379,902.40x = 1,850,668,026,707,002
  5. Step 5: Solve for x
    x = 1,850,668,026,707,002/39,379,902.40
  6. Step 6: Final answer
    x = 46,995,241.58

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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.