Finding the Fourth Proportional to 197,858,837.08, 296,790,781.37 and 52,291,140.82
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Solution
The fourth proportional to 197,858,837.08, 296,790,781.37 and 52,291,140.82 is: 78,437,378.75
Step by Step Solution
- Step 1: Write the proportion equation
197,858,837.08 : 296,790,781.37 = 52,291,140.82 : x - Step 2: Convert to fraction form
197,858,837.08/296,790,781.37 = 52,291,140.82/x - Step 3: Cross multiply
197,858,837.08x = 296,790,781.37 × 52,291,140.82 - Step 4: Simplify right side
197,858,837.08x = 15,519,528,543,656,918 - Step 5: Solve for x
x = 15,519,528,543,656,918/197,858,837.08 - Step 6: Final answer
x = 78,437,378.75
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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.