Finding the Fourth Proportional to 68,173,075.80, 102,259,613.70 and 46,649,715.30
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Solution
The fourth proportional to 68,173,075.80, 102,259,613.70 and 46,649,715.30 is: 69,974,572.95
Step by Step Solution
- Step 1: Write the proportion equation
68,173,075.80 : 102,259,613.70 = 46,649,715.30 : x - Step 2: Convert to fraction form
68,173,075.80/102,259,613.70 = 46,649,715.30/x - Step 3: Cross multiply
68,173,075.80x = 102,259,613.70 × 46,649,715.30 - Step 4: Simplify right side
68,173,075.80x = 4,770,381,865,792,979 - Step 5: Solve for x
x = 4,770,381,865,792,979/68,173,075.80 - Step 6: Final answer
x = 69,974,572.95
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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.