Home / 131,795,424,003.40-197,693,136,005.10-43,458,875,830.60

Finding the Fourth Proportional to 131,795,424,003.40, 197,693,136,005.10 and 43,458,875,830.60

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Solution

The fourth proportional to 131,795,424,003.40, 197,693,136,005.10 and 43,458,875,830.60 is: 65,188,313,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795,424,003.40 : 197,693,136,005.10 = 43,458,875,830.60 : x
  2. Step 2: Convert to fraction form
    131,795,424,003.40/197,693,136,005.10 = 43,458,875,830.60/x
  3. Step 3: Cross multiply
    131,795,424,003.40x = 197,693,136,005.10 × 43,458,875,830.60
  4. Step 4: Simplify right side
    131,795,424,003.40x = 8,591,521,450,207,558,500,352
  5. Step 5: Solve for x
    x = 8,591,521,450,207,558,500,352/131,795,424,003.40
  6. Step 6: Final answer
    x = 65,188,313,745.90

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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.