Home / 217,728,081.60-326,592,122.40-195,557,150.40

Finding the Fourth Proportional to 217,728,081.60, 326,592,122.40 and 195,557,150.40

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Solution

The fourth proportional to 217,728,081.60, 326,592,122.40 and 195,557,150.40 is: 293,335,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,728,081.60 : 326,592,122.40 = 195,557,150.40 : x
  2. Step 2: Convert to fraction form
    217,728,081.60/326,592,122.40 = 195,557,150.40/x
  3. Step 3: Cross multiply
    217,728,081.60x = 326,592,122.40 × 195,557,150.40
  4. Step 4: Simplify right side
    217,728,081.60x = 63,867,424,799,632,008
  5. Step 5: Solve for x
    x = 63,867,424,799,632,008/217,728,081.60
  6. Step 6: Final answer
    x = 293,335,725.60

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1.5x scale

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.