Home / 289,940,915.06-400,118,528.16-159,560,723.06

Finding the Fourth Proportional to 289,940,915.06, 400,118,528.16 and 159,560,723.06

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Solution

The fourth proportional to 289,940,915.06, 400,118,528.16 and 159,560,723.06 is: 220,193,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,940,915.06 : 400,118,528.16 = 159,560,723.06 : x
  2. Step 2: Convert to fraction form
    289,940,915.06/400,118,528.16 = 159,560,723.06/x
  3. Step 3: Cross multiply
    289,940,915.06x = 400,118,528.16 × 159,560,723.06
  4. Step 4: Simplify right side
    289,940,915.06x = 63,843,201,662,912,576
  5. Step 5: Solve for x
    x = 63,843,201,662,912,576/289,940,915.06
  6. Step 6: Final answer
    x = 220,193,833.80

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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.