Home / 109,156,165.20-163,734,247.80-100,227,956.40

Finding the Fourth Proportional to 109,156,165.20, 163,734,247.80 and 100,227,956.40

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Solution

The fourth proportional to 109,156,165.20, 163,734,247.80 and 100,227,956.40 is: 150,341,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,165.20 : 163,734,247.80 = 100,227,956.40 : x
  2. Step 2: Convert to fraction form
    109,156,165.20/163,734,247.80 = 100,227,956.40/x
  3. Step 3: Cross multiply
    109,156,165.20x = 163,734,247.80 × 100,227,956.40
  4. Step 4: Simplify right side
    109,156,165.20x = 16,410,749,049,685,198
  5. Step 5: Solve for x
    x = 16,410,749,049,685,198/109,156,165.20
  6. Step 6: Final answer
    x = 150,341,934.60

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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.