Home / 281,350,738.40-422,026,107.60-173,855,314.40

Finding the Fourth Proportional to 281,350,738.40, 422,026,107.60 and 173,855,314.40

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Solution

The fourth proportional to 281,350,738.40, 422,026,107.60 and 173,855,314.40 is: 260,782,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,350,738.40 : 422,026,107.60 = 173,855,314.40 : x
  2. Step 2: Convert to fraction form
    281,350,738.40/422,026,107.60 = 173,855,314.40/x
  3. Step 3: Cross multiply
    281,350,738.40x = 422,026,107.60 × 173,855,314.40
  4. Step 4: Simplify right side
    281,350,738.40x = 73,371,481,621,806,240
  5. Step 5: Solve for x
    x = 73,371,481,621,806,240/281,350,738.40
  6. Step 6: Final answer
    x = 260,782,971.60

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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.