Home / 189,496,629.20-284,377,654.20-121,504,667.60

Finding the Fourth Proportional to 189,496,629.20, 284,377,654.20 and 121,504,667.60

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Solution

The fourth proportional to 189,496,629.20, 284,377,654.20 and 121,504,667.60 is: 182,342,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,496,629.20 : 284,377,654.20 = 121,504,667.60 : x
  2. Step 2: Convert to fraction form
    189,496,629.20/284,377,654.20 = 121,504,667.60/x
  3. Step 3: Cross multiply
    189,496,629.20x = 284,377,654.20 × 121,504,667.60
  4. Step 4: Simplify right side
    189,496,629.20x = 34,553,212,346,438,740
  5. Step 5: Solve for x
    x = 34,553,212,346,438,740/189,496,629.20
  6. Step 6: Final answer
    x = 182,342,094.91

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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.