Home / 109,156,099.20-163,734,148.80-100,227,890.40

Finding the Fourth Proportional to 109,156,099.20, 163,734,148.80 and 100,227,890.40

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Solution

The fourth proportional to 109,156,099.20, 163,734,148.80 and 100,227,890.40 is: 150,341,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,099.20 : 163,734,148.80 = 100,227,890.40 : x
  2. Step 2: Convert to fraction form
    109,156,099.20/163,734,148.80 = 100,227,890.40/x
  3. Step 3: Cross multiply
    109,156,099.20x = 163,734,148.80 × 100,227,890.40
  4. Step 4: Simplify right side
    109,156,099.20x = 16,410,728,320,663,694
  5. Step 5: Solve for x
    x = 16,410,728,320,663,694/109,156,099.20
  6. Step 6: Final answer
    x = 150,341,835.60

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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.