Home / 217,728,052.60-326,592,078.90-195,557,121.40

Finding the Fourth Proportional to 217,728,052.60, 326,592,078.90 and 195,557,121.40

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Solution

The fourth proportional to 217,728,052.60, 326,592,078.90 and 195,557,121.40 is: 293,335,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,728,052.60 : 326,592,078.90 = 195,557,121.40 : x
  2. Step 2: Convert to fraction form
    217,728,052.60/326,592,078.90 = 195,557,121.40/x
  3. Step 3: Cross multiply
    217,728,052.60x = 326,592,078.90 × 195,557,121.40
  4. Step 4: Simplify right side
    217,728,052.60x = 63,867,406,821,725,672
  5. Step 5: Solve for x
    x = 63,867,406,821,725,672/217,728,052.60
  6. Step 6: Final answer
    x = 293,335,682.10

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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.