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Finding the Fourth Proportional to 48,401,052.30, 67,811,861.70 and 48,401,052.30

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Solution

The fourth proportional to 48,401,052.30, 67,811,861.70 and 48,401,052.30 is: 67,811,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,401,052.30 : 67,811,861.70 = 48,401,052.30 : x
  2. Step 2: Convert to fraction form
    48,401,052.30/67,811,861.70 = 48,401,052.30/x
  3. Step 3: Cross multiply
    48,401,052.30x = 67,811,861.70 × 48,401,052.30
  4. Step 4: Simplify right side
    48,401,052.30x = 3,282,165,464,702,067
  5. Step 5: Solve for x
    x = 3,282,165,464,702,067/48,401,052.30
  6. Step 6: Final answer
    x = 67,811,861.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.