Home / 217,746,021.60-326,619,032.40-108,906,904.80

Finding the Fourth Proportional to 217,746,021.60, 326,619,032.40 and 108,906,904.80

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Solution

The fourth proportional to 217,746,021.60, 326,619,032.40 and 108,906,904.80 is: 163,360,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,746,021.60 : 326,619,032.40 = 108,906,904.80 : x
  2. Step 2: Convert to fraction form
    217,746,021.60/326,619,032.40 = 108,906,904.80/x
  3. Step 3: Cross multiply
    217,746,021.60x = 326,619,032.40 × 108,906,904.80
  4. Step 4: Simplify right side
    217,746,021.60x = 35,571,067,867,454,912
  5. Step 5: Solve for x
    x = 35,571,067,867,454,912/217,746,021.60
  6. Step 6: Final answer
    x = 163,360,357.20

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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.