Finding the Fourth Proportional to 155,526,968.70, 214,623,058.59 and 85,910,851.26
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Solution
The fourth proportional to 155,526,968.70, 214,623,058.59 and 85,910,851.26 is: 118,554,677.80
Step by Step Solution
- Step 1: Write the proportion equation
155,526,968.70 : 214,623,058.59 = 85,910,851.26 : x - Step 2: Convert to fraction form
155,526,968.70/214,623,058.59 = 85,910,851.26/x - Step 3: Cross multiply
155,526,968.70x = 214,623,058.59 × 85,910,851.26 - Step 4: Simplify right side
155,526,968.70x = 18,438,449,663,491,756 - Step 5: Solve for x
x = 18,438,449,663,491,756/155,526,968.70 - Step 6: Final answer
x = 118,554,677.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.