Home / 217,865,366.10-326,420,135.55-141,148,905.30

Finding the Fourth Proportional to 217,865,366.10, 326,420,135.55 and 141,148,905.30

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Solution

The fourth proportional to 217,865,366.10, 326,420,135.55 and 141,148,905.30 is: 211,478,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,865,366.10 : 326,420,135.55 = 141,148,905.30 : x
  2. Step 2: Convert to fraction form
    217,865,366.10/326,420,135.55 = 141,148,905.30/x
  3. Step 3: Cross multiply
    217,865,366.10x = 326,420,135.55 × 141,148,905.30
  4. Step 4: Simplify right side
    217,865,366.10x = 46,073,844,800,760,120
  5. Step 5: Solve for x
    x = 46,073,844,800,760,120/217,865,366.10
  6. Step 6: Final answer
    x = 211,478,518.25

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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.