Finding the Fourth Proportional to 199,557,828.20, 299,448,716.70 and 84,522,794.60
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Solution
The fourth proportional to 199,557,828.20, 299,448,716.70 and 84,522,794.60 is: 126,831,618.70
Step by Step Solution
- Step 1: Write the proportion equation
199,557,828.20 : 299,448,716.70 = 84,522,794.60 : x - Step 2: Convert to fraction form
199,557,828.20/299,448,716.70 = 84,522,794.60/x - Step 3: Cross multiply
199,557,828.20x = 299,448,716.70 × 84,522,794.60 - Step 4: Simplify right side
199,557,828.20x = 25,310,242,374,867,688 - Step 5: Solve for x
x = 25,310,242,374,867,688/199,557,828.20 - Step 6: Final answer
x = 126,831,618.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.