Finding the Fourth Proportional to 212,283,779.96, 318,413,691.86 and 94,074,495.80
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Solution
The fourth proportional to 212,283,779.96, 318,413,691.86 and 94,074,495.80 is: 141,106,435.56
Step by Step Solution
- Step 1: Write the proportion equation
212,283,779.96 : 318,413,691.86 = 94,074,495.80 : x - Step 2: Convert to fraction form
212,283,779.96/318,413,691.86 = 94,074,495.80/x - Step 3: Cross multiply
212,283,779.96x = 318,413,691.86 × 94,074,495.80 - Step 4: Simplify right side
212,283,779.96x = 29,954,607,517,546,064 - Step 5: Solve for x
x = 29,954,607,517,546,064/212,283,779.96 - Step 6: Final answer
x = 141,106,435.56
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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.