Finding the Fourth Proportional to 310,291,021.82, 465,504,635.95 and 91,958,476.10
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Solution
The fourth proportional to 310,291,021.82, 465,504,635.95 and 91,958,476.10 is: 137,957,897.35
Step by Step Solution
- Step 1: Write the proportion equation
310,291,021.82 : 465,504,635.95 = 91,958,476.10 : x - Step 2: Convert to fraction form
310,291,021.82/465,504,635.95 = 91,958,476.10/x - Step 3: Cross multiply
310,291,021.82x = 465,504,635.95 × 91,958,476.10 - Step 4: Simplify right side
310,291,021.82x = 42,807,096,936,889,856 - Step 5: Solve for x
x = 42,807,096,936,889,856/310,291,021.82 - Step 6: Final answer
x = 137,957,897.35
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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.