Finding the Fourth Proportional to 211,884,374.98, 317,655,049.68 and 66,242,968.93
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Solution
The fourth proportional to 211,884,374.98, 317,655,049.68 and 66,242,968.93 is: 99,310,832.09
Step by Step Solution
- Step 1: Write the proportion equation
211,884,374.98 : 317,655,049.68 = 66,242,968.93 : x - Step 2: Convert to fraction form
211,884,374.98/317,655,049.68 = 66,242,968.93/x - Step 3: Cross multiply
211,884,374.98x = 317,655,049.68 × 66,242,968.93 - Step 4: Simplify right side
211,884,374.98x = 21,042,413,586,806,916 - Step 5: Solve for x
x = 21,042,413,586,806,916/211,884,374.98 - Step 6: Final answer
x = 99,310,832.09
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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.