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Finding the Fourth Proportional to 201,771,296.70, 302,656,945.05 and 99,734,624.70

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Solution

The fourth proportional to 201,771,296.70, 302,656,945.05 and 99,734,624.70 is: 149,601,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,771,296.70 : 302,656,945.05 = 99,734,624.70 : x
  2. Step 2: Convert to fraction form
    201,771,296.70/302,656,945.05 = 99,734,624.70/x
  3. Step 3: Cross multiply
    201,771,296.70x = 302,656,945.05 × 99,734,624.70
  4. Step 4: Simplify right side
    201,771,296.70x = 30,185,376,827,410,276
  5. Step 5: Solve for x
    x = 30,185,376,827,410,276/201,771,296.70
  6. Step 6: Final answer
    x = 149,601,937.05

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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.