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Finding the Fourth Proportional to 30,857,540.55, 46,286,310.83 and 30,857,540.55

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Solution

The fourth proportional to 30,857,540.55, 46,286,310.83 and 30,857,540.55 is: 46,286,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857,540.55 : 46,286,310.83 = 30,857,540.55 : x
  2. Step 2: Convert to fraction form
    30,857,540.55/46,286,310.83 = 30,857,540.55/x
  3. Step 3: Cross multiply
    30,857,540.55x = 46,286,310.83 × 30,857,540.55
  4. Step 4: Simplify right side
    30,857,540.55x = 1,428,281,713,192,341.50
  5. Step 5: Solve for x
    x = 1,428,281,713,192,341.50/30,857,540.55
  6. Step 6: Final answer
    x = 46,286,310.83

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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.