Home / 218,351,683.10-327,640,878.60-89,054,152.22

Finding the Fourth Proportional to 218,351,683.10, 327,640,878.60 and 89,054,152.22

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Solution

The fourth proportional to 218,351,683.10, 327,640,878.60 and 89,054,152.22 is: 133,627,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,351,683.10 : 327,640,878.60 = 89,054,152.22 : x
  2. Step 2: Convert to fraction form
    218,351,683.10/327,640,878.60 = 89,054,152.22/x
  3. Step 3: Cross multiply
    218,351,683.10x = 327,640,878.60 × 89,054,152.22
  4. Step 4: Simplify right side
    218,351,683.10x = 29,177,780,676,338,944
  5. Step 5: Solve for x
    x = 29,177,780,676,338,944/218,351,683.10
  6. Step 6: Final answer
    x = 133,627,459.44

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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.