Home / 143,892,101.70-215,838,152.55-100,809,951.30

Finding the Fourth Proportional to 143,892,101.70, 215,838,152.55 and 100,809,951.30

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Solution

The fourth proportional to 143,892,101.70, 215,838,152.55 and 100,809,951.30 is: 151,214,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,892,101.70 : 215,838,152.55 = 100,809,951.30 : x
  2. Step 2: Convert to fraction form
    143,892,101.70/215,838,152.55 = 100,809,951.30/x
  3. Step 3: Cross multiply
    143,892,101.70x = 215,838,152.55 × 100,809,951.30
  4. Step 4: Simplify right side
    143,892,101.70x = 21,758,633,647,247,472
  5. Step 5: Solve for x
    x = 21,758,633,647,247,472/143,892,101.70
  6. Step 6: Final answer
    x = 151,214,926.95

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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.