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Finding the Fourth Proportional to 109,148,812,662.80, 163,723,218,994.20 and 109,148,812,662.80

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Solution

The fourth proportional to 109,148,812,662.80, 163,723,218,994.20 and 109,148,812,662.80 is: 163,723,218,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,148,812,662.80 : 163,723,218,994.20 = 109,148,812,662.80 : x
  2. Step 2: Convert to fraction form
    109,148,812,662.80/163,723,218,994.20 = 109,148,812,662.80/x
  3. Step 3: Cross multiply
    109,148,812,662.80x = 163,723,218,994.20 × 109,148,812,662.80
  4. Step 4: Simplify right side
    109,148,812,662.80x = 17,870,194,958,548,516,995,072
  5. Step 5: Solve for x
    x = 17,870,194,958,548,516,995,072/109,148,812,662.80
  6. Step 6: Final answer
    x = 163,723,218,994.20

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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.