Home / 289,940,913.06-400,118,525.40-159,560,721.06

Finding the Fourth Proportional to 289,940,913.06, 400,118,525.40 and 159,560,721.06

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Solution

The fourth proportional to 289,940,913.06, 400,118,525.40 and 159,560,721.06 is: 220,193,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,940,913.06 : 400,118,525.40 = 159,560,721.06 : x
  2. Step 2: Convert to fraction form
    289,940,913.06/400,118,525.40 = 159,560,721.06/x
  3. Step 3: Cross multiply
    289,940,913.06x = 400,118,525.40 × 159,560,721.06
  4. Step 4: Simplify right side
    289,940,913.06x = 63,843,200,422,287,920
  5. Step 5: Solve for x
    x = 63,843,200,422,287,920/289,940,913.06
  6. Step 6: Final answer
    x = 220,193,831.04

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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.