Finding the Fourth Proportional to 191,448,859.98, 264,199,973.97 and 110,996,486.73
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Solution
The fourth proportional to 191,448,859.98, 264,199,973.97 and 110,996,486.73 is: 153,175,468.94
Step by Step Solution
- Step 1: Write the proportion equation
191,448,859.98 : 264,199,973.97 = 110,996,486.73 : x - Step 2: Convert to fraction form
191,448,859.98/264,199,973.97 = 110,996,486.73/x - Step 3: Cross multiply
191,448,859.98x = 264,199,973.97 × 110,996,486.73 - Step 4: Simplify right side
191,448,859.98x = 29,325,268,904,827,452 - Step 5: Solve for x
x = 29,325,268,904,827,452/191,448,859.98 - Step 6: Final answer
x = 153,175,468.94
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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.