Home / 289,940,795.19-400,118,362.94-159,560,603.19

Finding the Fourth Proportional to 289,940,795.19, 400,118,362.94 and 159,560,603.19

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Solution

The fourth proportional to 289,940,795.19, 400,118,362.94 and 159,560,603.19 is: 220,193,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,940,795.19 : 400,118,362.94 = 159,560,603.19 : x
  2. Step 2: Convert to fraction form
    289,940,795.19/400,118,362.94 = 159,560,603.19/x
  3. Step 3: Cross multiply
    289,940,795.19x = 400,118,362.94 × 159,560,603.19
  4. Step 4: Simplify right side
    289,940,795.19x = 63,843,127,338,500,640
  5. Step 5: Solve for x
    x = 63,843,127,338,500,640/289,940,795.19
  6. Step 6: Final answer
    x = 220,193,668.49

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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.