Home / 131,795,424,154.40-197,693,136,231.60-43,458,875,981.60

Finding the Fourth Proportional to 131,795,424,154.40, 197,693,136,231.60 and 43,458,875,981.60

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Solution

The fourth proportional to 131,795,424,154.40, 197,693,136,231.60 and 43,458,875,981.60 is: 65,188,313,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795,424,154.40 : 197,693,136,231.60 = 43,458,875,981.60 : x
  2. Step 2: Convert to fraction form
    131,795,424,154.40/197,693,136,231.60 = 43,458,875,981.60/x
  3. Step 3: Cross multiply
    131,795,424,154.40x = 197,693,136,231.60 × 43,458,875,981.60
  4. Step 4: Simplify right side
    131,795,424,154.40x = 8,591,521,489,902,658,125,824
  5. Step 5: Solve for x
    x = 8,591,521,489,902,658,125,824/131,795,424,154.40
  6. Step 6: Final answer
    x = 65,188,313,972.40

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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.