Home / 109,156,770.70-163,735,156.05-100,228,561.90

Finding the Fourth Proportional to 109,156,770.70, 163,735,156.05 and 100,228,561.90

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Solution

The fourth proportional to 109,156,770.70, 163,735,156.05 and 100,228,561.90 is: 150,342,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,770.70 : 163,735,156.05 = 100,228,561.90 : x
  2. Step 2: Convert to fraction form
    109,156,770.70/163,735,156.05 = 100,228,561.90/x
  3. Step 3: Cross multiply
    109,156,770.70x = 163,735,156.05 × 100,228,561.90
  4. Step 4: Simplify right side
    109,156,770.70x = 16,410,939,223,363,586
  5. Step 5: Solve for x
    x = 16,410,939,223,363,586/109,156,770.70
  6. Step 6: Final answer
    x = 150,342,842.85

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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.