Finding the Fourth Proportional to 68,318,385.48, 94,270,060.98 and 40,810,474.44
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Solution
The fourth proportional to 68,318,385.48, 94,270,060.98 and 40,810,474.44 is: 56,312,892.75
Step by Step Solution
- Step 1: Write the proportion equation
68,318,385.48 : 94,270,060.98 = 40,810,474.44 : x - Step 2: Convert to fraction form
68,318,385.48/94,270,060.98 = 40,810,474.44/x - Step 3: Cross multiply
68,318,385.48x = 94,270,060.98 × 40,810,474.44 - Step 4: Simplify right side
68,318,385.48x = 3,847,205,914,081,531.50 - Step 5: Solve for x
x = 3,847,205,914,081,531.50/68,318,385.48 - Step 6: Final answer
x = 56,312,892.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.