Finding the Fourth Proportional to 136,536,689.75, 204,805,231.74 and 55,757,657.75
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Solution
The fourth proportional to 136,536,689.75, 204,805,231.74 and 55,757,657.75 is: 83,636,567.12
Step by Step Solution
- Step 1: Write the proportion equation
136,536,689.75 : 204,805,231.74 = 55,757,657.75 : x - Step 2: Convert to fraction form
136,536,689.75/204,805,231.74 = 55,757,657.75/x - Step 3: Cross multiply
136,536,689.75x = 204,805,231.74 × 55,757,657.75 - Step 4: Simplify right side
136,536,689.75x = 11,419,460,016,768,358 - Step 5: Solve for x
x = 11,419,460,016,768,358/136,536,689.75 - Step 6: Final answer
x = 83,636,567.12
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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.