Finding the Fourth Proportional to 136,536,689.25, 204,805,230.99 and 55,757,657.25
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Solution
The fourth proportional to 136,536,689.25, 204,805,230.99 and 55,757,657.25 is: 83,636,566.37
Step by Step Solution
- Step 1: Write the proportion equation
136,536,689.25 : 204,805,230.99 = 55,757,657.25 : x - Step 2: Convert to fraction form
136,536,689.25/204,805,230.99 = 55,757,657.25/x - Step 3: Cross multiply
136,536,689.25x = 204,805,230.99 × 55,757,657.25 - Step 4: Simplify right side
136,536,689.25x = 11,419,459,872,547,498 - Step 5: Solve for x
x = 11,419,459,872,547,498/136,536,689.25 - Step 6: Final answer
x = 83,636,566.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.