Home / 195,977,758.45-270,447,160.48-107,869,872.37

Finding the Fourth Proportional to 195,977,758.45, 270,447,160.48 and 107,869,872.37

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Solution

The fourth proportional to 195,977,758.45, 270,447,160.48 and 107,869,872.37 is: 148,859,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,977,758.45 : 270,447,160.48 = 107,869,872.37 : x
  2. Step 2: Convert to fraction form
    195,977,758.45/270,447,160.48 = 107,869,872.37/x
  3. Step 3: Cross multiply
    195,977,758.45x = 270,447,160.48 × 107,869,872.37
  4. Step 4: Simplify right side
    195,977,758.45x = 29,173,100,683,806,512
  5. Step 5: Solve for x
    x = 29,173,100,683,806,512/195,977,758.45
  6. Step 6: Final answer
    x = 148,859,242.57

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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.