Finding the Fourth Proportional to 164,590,816.86, 246,713,401.62 and 55,378,071.09
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Solution
The fourth proportional to 164,590,816.86, 246,713,401.62 and 55,378,071.09 is: 83,008,958.55
Step by Step Solution
- Step 1: Write the proportion equation
164,590,816.86 : 246,713,401.62 = 55,378,071.09 : x - Step 2: Convert to fraction form
164,590,816.86/246,713,401.62 = 55,378,071.09/x - Step 3: Cross multiply
164,590,816.86x = 246,713,401.62 × 55,378,071.09 - Step 4: Simplify right side
164,590,816.86x = 13,662,512,293,768,082 - Step 5: Solve for x
x = 13,662,512,293,768,082/164,590,816.86 - Step 6: Final answer
x = 83,008,958.55
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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.