Finding the Fourth Proportional to 103,350,419.68, 155,020,476.21 and 38,649,468.10
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Solution
The fourth proportional to 103,350,419.68, 155,020,476.21 and 38,649,468.10 is: 57,972,274.99
Step by Step Solution
- Step 1: Write the proportion equation
103,350,419.68 : 155,020,476.21 = 38,649,468.10 : x - Step 2: Convert to fraction form
103,350,419.68/155,020,476.21 = 38,649,468.10/x - Step 3: Cross multiply
103,350,419.68x = 155,020,476.21 × 38,649,468.10 - Step 4: Simplify right side
103,350,419.68x = 5,991,458,950,125,204 - Step 5: Solve for x
x = 5,991,458,950,125,204/103,350,419.68 - Step 6: Final answer
x = 57,972,274.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.