Home / 257,325,606.37-355,112,079.47-139,850,942.77

Finding the Fourth Proportional to 257,325,606.37, 355,112,079.47 and 139,850,942.77

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Solution

The fourth proportional to 257,325,606.37, 355,112,079.47 and 139,850,942.77 is: 192,995,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,325,606.37 : 355,112,079.47 = 139,850,942.77 : x
  2. Step 2: Convert to fraction form
    257,325,606.37/355,112,079.47 = 139,850,942.77/x
  3. Step 3: Cross multiply
    257,325,606.37x = 355,112,079.47 × 139,850,942.77
  4. Step 4: Simplify right side
    257,325,606.37x = 49,662,759,102,894,672
  5. Step 5: Solve for x
    x = 49,662,759,102,894,672/257,325,606.37
  6. Step 6: Final answer
    x = 192,995,791.61

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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.