Home / 199,384,921.20-299,385,311.40-108,685,657.20

Finding the Fourth Proportional to 199,384,921.20, 299,385,311.40 and 108,685,657.20

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Solution

The fourth proportional to 199,384,921.20, 299,385,311.40 and 108,685,657.20 is: 163,196,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,384,921.20 : 299,385,311.40 = 108,685,657.20 : x
  2. Step 2: Convert to fraction form
    199,384,921.20/299,385,311.40 = 108,685,657.20/x
  3. Step 3: Cross multiply
    199,384,921.20x = 299,385,311.40 × 108,685,657.20
  4. Step 4: Simplify right side
    199,384,921.20x = 32,538,889,325,535,652
  5. Step 5: Solve for x
    x = 32,538,889,325,535,652/199,384,921.20
  6. Step 6: Final answer
    x = 163,196,339.67

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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.