Finding the Fourth Proportional to 74,934,517.67, 112,227,175.98 and 72,865,883.57
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Solution
The fourth proportional to 74,934,517.67, 112,227,175.98 and 72,865,883.57 is: 109,129,044.85
Step by Step Solution
- Step 1: Write the proportion equation
74,934,517.67 : 112,227,175.98 = 72,865,883.57 : x - Step 2: Convert to fraction form
74,934,517.67/112,227,175.98 = 72,865,883.57/x - Step 3: Cross multiply
74,934,517.67x = 112,227,175.98 × 72,865,883.57 - Step 4: Simplify right side
74,934,517.67x = 8,177,532,338,902,396 - Step 5: Solve for x
x = 8,177,532,338,902,396/74,934,517.67 - Step 6: Final answer
x = 109,129,044.85
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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.