Home / 157,790,863.40-236,288,163.90-125,940,367.40

Finding the Fourth Proportional to 157,790,863.40, 236,288,163.90 and 125,940,367.40

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Solution

The fourth proportional to 157,790,863.40, 236,288,163.90 and 125,940,367.40 is: 188,592,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,790,863.40 : 236,288,163.90 = 125,940,367.40 : x
  2. Step 2: Convert to fraction form
    157,790,863.40/236,288,163.90 = 125,940,367.40/x
  3. Step 3: Cross multiply
    157,790,863.40x = 236,288,163.90 × 125,940,367.40
  4. Step 4: Simplify right side
    157,790,863.40x = 29,758,218,173,837,420
  5. Step 5: Solve for x
    x = 29,758,218,173,837,420/157,790,863.40
  6. Step 6: Final answer
    x = 188,592,783.72

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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.