Finding the Fourth Proportional to 85,644,760.80, 118,189,893.84 and 46,486,567.84
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Solution
The fourth proportional to 85,644,760.80, 118,189,893.84 and 46,486,567.84 is: 64,151,530.89
Step by Step Solution
- Step 1: Write the proportion equation
85,644,760.80 : 118,189,893.84 = 46,486,567.84 : x - Step 2: Convert to fraction form
85,644,760.80/118,189,893.84 = 46,486,567.84/x - Step 3: Cross multiply
85,644,760.80x = 118,189,893.84 × 46,486,567.84 - Step 4: Simplify right side
85,644,760.80x = 5,494,242,517,995,559 - Step 5: Solve for x
x = 5,494,242,517,995,559/85,644,760.80 - Step 6: Final answer
x = 64,151,530.89
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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.