Finding the Fourth Proportional to 136,987,763.94, 205,459,772.67 and 39,920,766.50
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Solution
The fourth proportional to 136,987,763.94, 205,459,772.67 and 39,920,766.50 is: 59,874,775.48
Step by Step Solution
- Step 1: Write the proportion equation
136,987,763.94 : 205,459,772.67 = 39,920,766.50 : x - Step 2: Convert to fraction form
136,987,763.94/205,459,772.67 = 39,920,766.50/x - Step 3: Cross multiply
136,987,763.94x = 205,459,772.67 × 39,920,766.50 - Step 4: Simplify right side
136,987,763.94x = 8,202,111,609,902,151 - Step 5: Solve for x
x = 8,202,111,609,902,151/136,987,763.94 - Step 6: Final answer
x = 59,874,775.48
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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.