Home / 151,188,363,458.62-208,640,025,282.70-81,664,004,004.67

Finding the Fourth Proportional to 151,188,363,458.62, 208,640,025,282.70 and 81,664,004,004.67

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Solution

The fourth proportional to 151,188,363,458.62, 208,640,025,282.70 and 81,664,004,004.67 is: 112,696,370,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,188,363,458.62 : 208,640,025,282.70 = 81,664,004,004.67 : x
  2. Step 2: Convert to fraction form
    151,188,363,458.62/208,640,025,282.70 = 81,664,004,004.67/x
  3. Step 3: Cross multiply
    151,188,363,458.62x = 208,640,025,282.70 × 81,664,004,004.67
  4. Step 4: Simplify right side
    151,188,363,458.62x = 17,038,379,860,220,446,769,152
  5. Step 5: Solve for x
    x = 17,038,379,860,220,446,769,152/151,188,363,458.62
  6. Step 6: Final answer
    x = 112,696,370,742.08

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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.