Home / 189,512,562.60-284,481,420.30-146,572,129.80

Finding the Fourth Proportional to 189,512,562.60, 284,481,420.30 and 146,572,129.80

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Solution

The fourth proportional to 189,512,562.60, 284,481,420.30 and 146,572,129.80 is: 220,022,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,512,562.60 : 284,481,420.30 = 146,572,129.80 : x
  2. Step 2: Convert to fraction form
    189,512,562.60/284,481,420.30 = 146,572,129.80/x
  3. Step 3: Cross multiply
    189,512,562.60x = 284,481,420.30 × 146,572,129.80
  4. Step 4: Simplify right side
    189,512,562.60x = 41,697,047,661,899,960
  5. Step 5: Solve for x
    x = 41,697,047,661,899,960/189,512,562.60
  6. Step 6: Final answer
    x = 220,022,604.78

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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.