Home / 129,433,907.70-194,150,861.55-109,026,573.30

Finding the Fourth Proportional to 129,433,907.70, 194,150,861.55 and 109,026,573.30

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Solution

The fourth proportional to 129,433,907.70, 194,150,861.55 and 109,026,573.30 is: 163,539,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,433,907.70 : 194,150,861.55 = 109,026,573.30 : x
  2. Step 2: Convert to fraction form
    129,433,907.70/194,150,861.55 = 109,026,573.30/x
  3. Step 3: Cross multiply
    129,433,907.70x = 194,150,861.55 × 109,026,573.30
  4. Step 4: Simplify right side
    129,433,907.70x = 21,167,603,138,039,228
  5. Step 5: Solve for x
    x = 21,167,603,138,039,228/129,433,907.70
  6. Step 6: Final answer
    x = 163,539,859.95

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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.