Home / 199,994,920.99-276,003,711.71-111,883,663.69

Finding the Fourth Proportional to 199,994,920.99, 276,003,711.71 and 111,883,663.69

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Solution

The fourth proportional to 199,994,920.99, 276,003,711.71 and 111,883,663.69 is: 154,405,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,994,920.99 : 276,003,711.71 = 111,883,663.69 : x
  2. Step 2: Convert to fraction form
    199,994,920.99/276,003,711.71 = 111,883,663.69/x
  3. Step 3: Cross multiply
    199,994,920.99x = 276,003,711.71 × 111,883,663.69
  4. Step 4: Simplify right side
    199,994,920.99x = 30,880,306,458,153,352
  5. Step 5: Solve for x
    x = 30,880,306,458,153,352/199,994,920.99
  6. Step 6: Final answer
    x = 154,405,453.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.