Home / 350,324,711.16-525,325,318.92-128,940,442.44

Finding the Fourth Proportional to 350,324,711.16, 525,325,318.92 and 128,940,442.44

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Solution

The fourth proportional to 350,324,711.16, 525,325,318.92 and 128,940,442.44 is: 193,351,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,324,711.16 : 525,325,318.92 = 128,940,442.44 : x
  2. Step 2: Convert to fraction form
    350,324,711.16/525,325,318.92 = 128,940,442.44/x
  3. Step 3: Cross multiply
    350,324,711.16x = 525,325,318.92 × 128,940,442.44
  4. Step 4: Simplify right side
    350,324,711.16x = 67,735,679,046,478,904
  5. Step 5: Solve for x
    x = 67,735,679,046,478,904/350,324,711.16
  6. Step 6: Final answer
    x = 193,351,130.79

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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.