Home / 217,152,030.40-325,728,045.60-195,652,945.60

Finding the Fourth Proportional to 217,152,030.40, 325,728,045.60 and 195,652,945.60

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Solution

The fourth proportional to 217,152,030.40, 325,728,045.60 and 195,652,945.60 is: 293,479,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,152,030.40 : 325,728,045.60 = 195,652,945.60 : x
  2. Step 2: Convert to fraction form
    217,152,030.40/325,728,045.60 = 195,652,945.60/x
  3. Step 3: Cross multiply
    217,152,030.40x = 325,728,045.60 × 195,652,945.60
  4. Step 4: Simplify right side
    217,152,030.40x = 63,729,651,586,171,120
  5. Step 5: Solve for x
    x = 63,729,651,586,171,120/217,152,030.40
  6. Step 6: Final answer
    x = 293,479,418.40

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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.