Finding the Fourth Proportional to 263,157,781.65, 363,143,351.36 and 144,057,333.75
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Solution
The fourth proportional to 263,157,781.65, 363,143,351.36 and 144,057,333.75 is: 198,791,244.70
Step by Step Solution
- Step 1: Write the proportion equation
263,157,781.65 : 363,143,351.36 = 144,057,333.75 : x - Step 2: Convert to fraction form
263,157,781.65/363,143,351.36 = 144,057,333.75/x - Step 3: Cross multiply
263,157,781.65x = 363,143,351.36 × 144,057,333.75 - Step 4: Simplify right side
263,157,781.65x = 52,313,462,967,199,056 - Step 5: Solve for x
x = 52,313,462,967,199,056/263,157,781.65 - Step 6: Final answer
x = 198,791,244.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.