Home / 217,152,040.40-325,728,060.60-195,652,955.60

Finding the Fourth Proportional to 217,152,040.40, 325,728,060.60 and 195,652,955.60

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Solution

The fourth proportional to 217,152,040.40, 325,728,060.60 and 195,652,955.60 is: 293,479,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,152,040.40 : 325,728,060.60 = 195,652,955.60 : x
  2. Step 2: Convert to fraction form
    217,152,040.40/325,728,060.60 = 195,652,955.60/x
  3. Step 3: Cross multiply
    217,152,040.40x = 325,728,060.60 × 195,652,955.60
  4. Step 4: Simplify right side
    217,152,040.40x = 63,729,657,778,245,912
  5. Step 5: Solve for x
    x = 63,729,657,778,245,912/217,152,040.40
  6. Step 6: Final answer
    x = 293,479,433.40

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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.