Home / 230,083,408.40-345,125,112.60-205,001,142.80

Finding the Fourth Proportional to 230,083,408.40, 345,125,112.60 and 205,001,142.80

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Solution

The fourth proportional to 230,083,408.40, 345,125,112.60 and 205,001,142.80 is: 307,501,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,083,408.40 : 345,125,112.60 = 205,001,142.80 : x
  2. Step 2: Convert to fraction form
    230,083,408.40/345,125,112.60 = 205,001,142.80/x
  3. Step 3: Cross multiply
    230,083,408.40x = 345,125,112.60 × 205,001,142.80
  4. Step 4: Simplify right side
    230,083,408.40x = 70,751,042,491,978,688
  5. Step 5: Solve for x
    x = 70,751,042,491,978,688/230,083,408.40
  6. Step 6: Final answer
    x = 307,501,714.20

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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.