Finding the Fourth Proportional to 79,722,731.97, 110,017,369.26 and 43,053,302.97
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Solution
The fourth proportional to 79,722,731.97, 110,017,369.26 and 43,053,302.97 is: 59,413,557.63
Step by Step Solution
- Step 1: Write the proportion equation
79,722,731.97 : 110,017,369.26 = 43,053,302.97 : x - Step 2: Convert to fraction form
79,722,731.97/110,017,369.26 = 43,053,302.97/x - Step 3: Cross multiply
79,722,731.97x = 110,017,369.26 × 43,053,302.97 - Step 4: Simplify right side
79,722,731.97x = 4,736,611,130,713,145 - Step 5: Solve for x
x = 4,736,611,130,713,145/79,722,731.97 - Step 6: Final answer
x = 59,413,557.63
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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.