Finding the Fourth Proportional to 68,906,398.68, 95,092,984.26 and 39,543,103.26
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Solution
The fourth proportional to 68,906,398.68, 95,092,984.26 and 39,543,103.26 is: 54,570,718.65
Step by Step Solution
- Step 1: Write the proportion equation
68,906,398.68 : 95,092,984.26 = 39,543,103.26 : x - Step 2: Convert to fraction form
68,906,398.68/95,092,984.26 = 39,543,103.26/x - Step 3: Cross multiply
68,906,398.68x = 95,092,984.26 × 39,543,103.26 - Step 4: Simplify right side
68,906,398.68x = 3,760,271,695,894,734.50 - Step 5: Solve for x
x = 3,760,271,695,894,734.50/68,906,398.68 - Step 6: Final answer
x = 54,570,718.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.