Home / 200,308,758.60-300,483,506.16-69,133,961.64

Finding the Fourth Proportional to 200,308,758.60, 300,483,506.16 and 69,133,961.64

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Solution

The fourth proportional to 200,308,758.60, 300,483,506.16 and 69,133,961.64 is: 103,707,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,308,758.60 : 300,483,506.16 = 69,133,961.64 : x
  2. Step 2: Convert to fraction form
    200,308,758.60/300,483,506.16 = 69,133,961.64/x
  3. Step 3: Cross multiply
    200,308,758.60x = 300,483,506.16 × 69,133,961.64
  4. Step 4: Simplify right side
    200,308,758.60x = 20,773,615,188,318,144
  5. Step 5: Solve for x
    x = 20,773,615,188,318,144/200,308,758.60
  6. Step 6: Final answer
    x = 103,707,972.30

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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.