Finding the Fourth Proportional to 90,958,083.80, 136,437,125.70 and 36,343,663.70
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Solution
The fourth proportional to 90,958,083.80, 136,437,125.70 and 36,343,663.70 is: 54,515,495.55
Step by Step Solution
- Step 1: Write the proportion equation
90,958,083.80 : 136,437,125.70 = 36,343,663.70 : x - Step 2: Convert to fraction form
90,958,083.80/136,437,125.70 = 36,343,663.70/x - Step 3: Cross multiply
90,958,083.80x = 136,437,125.70 × 36,343,663.70 - Step 4: Simplify right side
90,958,083.80x = 4,958,625,012,635,427 - Step 5: Solve for x
x = 4,958,625,012,635,427/90,958,083.80 - Step 6: Final answer
x = 54,515,495.55
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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.