Home / 149,608,320,381.33-206,459,593,436.37-81,020,265,914.82

Finding the Fourth Proportional to 149,608,320,381.33, 206,459,593,436.37 and 81,020,265,914.82

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Solution

The fourth proportional to 149,608,320,381.33, 206,459,593,436.37 and 81,020,265,914.82 is: 111,808,027,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,608,320,381.33 : 206,459,593,436.37 = 81,020,265,914.82 : x
  2. Step 2: Convert to fraction form
    149,608,320,381.33/206,459,593,436.37 = 81,020,265,914.82/x
  3. Step 3: Cross multiply
    149,608,320,381.33x = 206,459,593,436.37 × 81,020,265,914.82
  4. Step 4: Simplify right side
    149,608,320,381.33x = 16,727,411,160,880,324,280,320
  5. Step 5: Solve for x
    x = 16,727,411,160,880,324,280,320/149,608,320,381.33
  6. Step 6: Final answer
    x = 111,808,027,242.37

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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.