Home / 100,133,125.92-150,250,948.92-47,670,171.12

Finding the Fourth Proportional to 100,133,125.92, 150,250,948.92 and 47,670,171.12

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Solution

The fourth proportional to 100,133,125.92, 150,250,948.92 and 47,670,171.12 is: 71,529,659.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,133,125.92 : 150,250,948.92 = 47,670,171.12 : x
  2. Step 2: Convert to fraction form
    100,133,125.92/150,250,948.92 = 47,670,171.12/x
  3. Step 3: Cross multiply
    100,133,125.92x = 150,250,948.92 × 47,670,171.12
  4. Step 4: Simplify right side
    100,133,125.92x = 7,162,488,445,958,778
  5. Step 5: Solve for x
    x = 7,162,488,445,958,778/100,133,125.92
  6. Step 6: Final answer
    x = 71,529,659.94

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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.