Home / 189,217,336.20-283,826,004.30-168,810,001.80

Finding the Fourth Proportional to 189,217,336.20, 283,826,004.30 and 168,810,001.80

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Solution

The fourth proportional to 189,217,336.20, 283,826,004.30 and 168,810,001.80 is: 253,215,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,217,336.20 : 283,826,004.30 = 168,810,001.80 : x
  2. Step 2: Convert to fraction form
    189,217,336.20/283,826,004.30 = 168,810,001.80/x
  3. Step 3: Cross multiply
    189,217,336.20x = 283,826,004.30 × 168,810,001.80
  4. Step 4: Simplify right side
    189,217,336.20x = 47,912,668,296,769,816
  5. Step 5: Solve for x
    x = 47,912,668,296,769,816/189,217,336.20
  6. Step 6: Final answer
    x = 253,215,002.70

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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.