Home / 286,107,270.71-428,586,289.92-130,446,956.24

Finding the Fourth Proportional to 286,107,270.71, 428,586,289.92 and 130,446,956.24

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Solution

The fourth proportional to 286,107,270.71, 428,586,289.92 and 130,446,956.24 is: 195,408,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,107,270.71 : 428,586,289.92 = 130,446,956.24 : x
  2. Step 2: Convert to fraction form
    286,107,270.71/428,586,289.92 = 130,446,956.24/x
  3. Step 3: Cross multiply
    286,107,270.71x = 428,586,289.92 × 130,446,956.24
  4. Step 4: Simplify right side
    286,107,270.71x = 55,907,777,008,503,256
  5. Step 5: Solve for x
    x = 55,907,777,008,503,256/286,107,270.71
  6. Step 6: Final answer
    x = 195,408,445.48

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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.