Home / 189,217,333.20-283,825,999.80-168,809,998.80

Finding the Fourth Proportional to 189,217,333.20, 283,825,999.80 and 168,809,998.80

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Solution

The fourth proportional to 189,217,333.20, 283,825,999.80 and 168,809,998.80 is: 253,214,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,217,333.20 : 283,825,999.80 = 168,809,998.80 : x
  2. Step 2: Convert to fraction form
    189,217,333.20/283,825,999.80 = 168,809,998.80/x
  3. Step 3: Cross multiply
    189,217,333.20x = 283,825,999.80 × 168,809,998.80
  4. Step 4: Simplify right side
    189,217,333.20x = 47,912,666,685,646,808
  5. Step 5: Solve for x
    x = 47,912,666,685,646,808/189,217,333.20
  6. Step 6: Final answer
    x = 253,214,998.20

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1.5x scale

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.