Home / 109,156,131.20-163,734,196.80-100,227,922.40

Finding the Fourth Proportional to 109,156,131.20, 163,734,196.80 and 100,227,922.40

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Solution

The fourth proportional to 109,156,131.20, 163,734,196.80 and 100,227,922.40 is: 150,341,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,131.20 : 163,734,196.80 = 100,227,922.40 : x
  2. Step 2: Convert to fraction form
    109,156,131.20/163,734,196.80 = 100,227,922.40/x
  3. Step 3: Cross multiply
    109,156,131.20x = 163,734,196.80 × 100,227,922.40
  4. Step 4: Simplify right side
    109,156,131.20x = 16,410,738,371,096,730
  5. Step 5: Solve for x
    x = 16,410,738,371,096,730/109,156,131.20
  6. Step 6: Final answer
    x = 150,341,883.60

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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.