Home / 298,729,973.28-412,252,440.22-164,783,258.12

Finding the Fourth Proportional to 298,729,973.28, 412,252,440.22 and 164,783,258.12

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Solution

The fourth proportional to 298,729,973.28, 412,252,440.22 and 164,783,258.12 is: 227,403,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,729,973.28 : 412,252,440.22 = 164,783,258.12 : x
  2. Step 2: Convert to fraction form
    298,729,973.28/412,252,440.22 = 164,783,258.12/x
  3. Step 3: Cross multiply
    298,729,973.28x = 412,252,440.22 × 164,783,258.12
  4. Step 4: Simplify right side
    298,729,973.28x = 67,932,300,267,372,136
  5. Step 5: Solve for x
    x = 67,932,300,267,372,136/298,729,973.28
  6. Step 6: Final answer
    x = 227,403,696.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.