Finding the Fourth Proportional to 171,998,971.80, 241,478,805 and 171,998,971.80
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Solution
The fourth proportional to 171,998,971.80, 241,478,805 and 171,998,971.80 is: 241,478,805
Step by Step Solution
- Step 1: Write the proportion equation
171,998,971.80 : 241,478,805 = 171,998,971.80 : x - Step 2: Convert to fraction form
171,998,971.80/241,478,805 = 171,998,971.80/x - Step 3: Cross multiply
171,998,971.80x = 241,478,805 × 171,998,971.80 - Step 4: Simplify right side
171,998,971.80x = 41,534,106,171,492,704 - Step 5: Solve for x
x = 41,534,106,171,492,704/171,998,971.80 - Step 6: Final answer
x = 241,478,805
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.