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Finding the Fourth Proportional to 200,736,956.60, 301,105,434.90 and 108,903,951.80

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Solution

The fourth proportional to 200,736,956.60, 301,105,434.90 and 108,903,951.80 is: 163,355,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,736,956.60 : 301,105,434.90 = 108,903,951.80 : x
  2. Step 2: Convert to fraction form
    200,736,956.60/301,105,434.90 = 108,903,951.80/x
  3. Step 3: Cross multiply
    200,736,956.60x = 301,105,434.90 × 108,903,951.80
  4. Step 4: Simplify right side
    200,736,956.60x = 32,791,571,769,067,636
  5. Step 5: Solve for x
    x = 32,791,571,769,067,636/200,736,956.60
  6. Step 6: Final answer
    x = 163,355,927.70

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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.