Home / 168,857,913.20-253,286,869.80-88,068,383.60

Finding the Fourth Proportional to 168,857,913.20, 253,286,869.80 and 88,068,383.60

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Solution

The fourth proportional to 168,857,913.20, 253,286,869.80 and 88,068,383.60 is: 132,102,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,857,913.20 : 253,286,869.80 = 88,068,383.60 : x
  2. Step 2: Convert to fraction form
    168,857,913.20/253,286,869.80 = 88,068,383.60/x
  3. Step 3: Cross multiply
    168,857,913.20x = 253,286,869.80 × 88,068,383.60
  4. Step 4: Simplify right side
    168,857,913.20x = 22,306,565,210,389,656
  5. Step 5: Solve for x
    x = 22,306,565,210,389,656/168,857,913.20
  6. Step 6: Final answer
    x = 132,102,575.40

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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.