Home / 107,982,002.90-161,987,212.35-39,872,537.30

Finding the Fourth Proportional to 107,982,002.90, 161,987,212.35 and 39,872,537.30

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Solution

The fourth proportional to 107,982,002.90, 161,987,212.35 and 39,872,537.30 is: 59,814,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,982,002.90 : 161,987,212.35 = 39,872,537.30 : x
  2. Step 2: Convert to fraction form
    107,982,002.90/161,987,212.35 = 39,872,537.30/x
  3. Step 3: Cross multiply
    107,982,002.90x = 161,987,212.35 × 39,872,537.30
  4. Step 4: Simplify right side
    107,982,002.90x = 6,458,841,166,548,395
  5. Step 5: Solve for x
    x = 6,458,841,166,548,395/107,982,002.90
  6. Step 6: Final answer
    x = 59,814,052.28

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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.