Home / 128,515,231,928.70-192,773,669,362.07-37,756,277,008.38

Finding the Fourth Proportional to 128,515,231,928.70, 192,773,669,362.07 and 37,756,277,008.38

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Solution

The fourth proportional to 128,515,231,928.70, 192,773,669,362.07 and 37,756,277,008.38 is: 56,634,656,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,515,231,928.70 : 192,773,669,362.07 = 37,756,277,008.38 : x
  2. Step 2: Convert to fraction form
    128,515,231,928.70/192,773,669,362.07 = 37,756,277,008.38/x
  3. Step 3: Cross multiply
    128,515,231,928.70x = 192,773,669,362.07 × 37,756,277,008.38
  4. Step 4: Simplify right side
    128,515,231,928.70x = 7,278,416,060,356,751,261,696
  5. Step 5: Solve for x
    x = 7,278,416,060,356,751,261,696/128,515,231,928.70
  6. Step 6: Final answer
    x = 56,634,656,850.60

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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.