Home / 350,324,709.66-525,325,316.67-128,940,440.94

Finding the Fourth Proportional to 350,324,709.66, 525,325,316.67 and 128,940,440.94

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Solution

The fourth proportional to 350,324,709.66, 525,325,316.67 and 128,940,440.94 is: 193,351,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,324,709.66 : 525,325,316.67 = 128,940,440.94 : x
  2. Step 2: Convert to fraction form
    350,324,709.66/525,325,316.67 = 128,940,440.94/x
  3. Step 3: Cross multiply
    350,324,709.66x = 525,325,316.67 × 128,940,440.94
  4. Step 4: Simplify right side
    350,324,709.66x = 67,735,677,968,374,936
  5. Step 5: Solve for x
    x = 67,735,677,968,374,936/350,324,709.66
  6. Step 6: Final answer
    x = 193,351,128.54

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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.