Home / 139,180,128,021.45-208,770,192,032.17-139,180,128,021.45

Finding the Fourth Proportional to 139,180,128,021.45, 208,770,192,032.17 and 139,180,128,021.45

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Solution

The fourth proportional to 139,180,128,021.45, 208,770,192,032.17 and 139,180,128,021.45 is: 208,770,192,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,180,128,021.45 : 208,770,192,032.17 = 139,180,128,021.45 : x
  2. Step 2: Convert to fraction form
    139,180,128,021.45/208,770,192,032.17 = 139,180,128,021.45/x
  3. Step 3: Cross multiply
    139,180,128,021.45x = 208,770,192,032.17 × 139,180,128,021.45
  4. Step 4: Simplify right side
    139,180,128,021.45x = 29,056,662,054,100,124,303,360
  5. Step 5: Solve for x
    x = 29,056,662,054,100,124,303,360/139,180,128,021.45
  6. Step 6: Final answer
    x = 208,770,192,032.17

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1.5x scale

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.