Home / 157,609,207.20-236,214,745.20-76,655,863.20

Finding the Fourth Proportional to 157,609,207.20, 236,214,745.20 and 76,655,863.20

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Solution

The fourth proportional to 157,609,207.20, 236,214,745.20 and 76,655,863.20 is: 114,886,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,609,207.20 : 236,214,745.20 = 76,655,863.20 : x
  2. Step 2: Convert to fraction form
    157,609,207.20/236,214,745.20 = 76,655,863.20/x
  3. Step 3: Cross multiply
    157,609,207.20x = 236,214,745.20 × 76,655,863.20
  4. Step 4: Simplify right side
    157,609,207.20x = 18,107,245,193,874,056
  5. Step 5: Solve for x
    x = 18,107,245,193,874,056/157,609,207.20
  6. Step 6: Final answer
    x = 114,886,975.93

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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.