Finding the Fourth Proportional to 182,439,847.68, 251,766,909.96 and 98,807,982.48
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Solution
The fourth proportional to 182,439,847.68, 251,766,909.96 and 98,807,982.48 is: 136,354,972.58
Step by Step Solution
- Step 1: Write the proportion equation
182,439,847.68 : 251,766,909.96 = 98,807,982.48 : x - Step 2: Convert to fraction form
182,439,847.68/251,766,909.96 = 98,807,982.48/x - Step 3: Cross multiply
182,439,847.68x = 251,766,909.96 × 98,807,982.48 - Step 4: Simplify right side
182,439,847.68x = 24,876,580,428,371,420 - Step 5: Solve for x
x = 24,876,580,428,371,420/182,439,847.68 - Step 6: Final answer
x = 136,354,972.58
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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.