Finding the Fourth Proportional to 139,877,231.49, 209,841,093.36 and 63,236,353.41
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Solution
The fourth proportional to 139,877,231.49, 209,841,093.36 and 63,236,353.41 is: 94,865,943.50
Step by Step Solution
- Step 1: Write the proportion equation
139,877,231.49 : 209,841,093.36 = 63,236,353.41 : x - Step 2: Convert to fraction form
139,877,231.49/209,841,093.36 = 63,236,353.41/x - Step 3: Cross multiply
139,877,231.49x = 209,841,093.36 × 63,236,353.41 - Step 4: Simplify right side
139,877,231.49x = 13,269,585,539,653,764 - Step 5: Solve for x
x = 13,269,585,539,653,764/139,877,231.49 - Step 6: Final answer
x = 94,865,943.50
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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.