Finding the Fourth Proportional to 102,507,755.08, 141,460,609.80 and 57,863,126.38
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Solution
The fourth proportional to 102,507,755.08, 141,460,609.80 and 57,863,126.38 is: 79,851,062.35
Step by Step Solution
- Step 1: Write the proportion equation
102,507,755.08 : 141,460,609.80 = 57,863,126.38 : x - Step 2: Convert to fraction form
102,507,755.08/141,460,609.80 = 57,863,126.38/x - Step 3: Cross multiply
102,507,755.08x = 141,460,609.80 × 57,863,126.38 - Step 4: Simplify right side
102,507,755.08x = 8,185,353,142,649,268 - Step 5: Solve for x
x = 8,185,353,142,649,268/102,507,755.08 - Step 6: Final answer
x = 79,851,062.35
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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.