Home / 151,188,363,453.20-208,640,025,275.26-81,664,003,999.24

Finding the Fourth Proportional to 151,188,363,453.20, 208,640,025,275.26 and 81,664,003,999.24

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Solution

The fourth proportional to 151,188,363,453.20, 208,640,025,275.26 and 81,664,003,999.24 is: 112,696,370,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,188,363,453.20 : 208,640,025,275.26 = 81,664,003,999.24 : x
  2. Step 2: Convert to fraction form
    151,188,363,453.20/208,640,025,275.26 = 81,664,003,999.24/x
  3. Step 3: Cross multiply
    151,188,363,453.20x = 208,640,025,275.26 × 81,664,003,999.24
  4. Step 4: Simplify right side
    151,188,363,453.20x = 17,038,379,858,480,368,451,584
  5. Step 5: Solve for x
    x = 17,038,379,858,480,368,451,584/151,188,363,453.20
  6. Step 6: Final answer
    x = 112,696,370,734.61

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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.