Finding the Fourth Proportional to 79,722,449.98, 110,016,982.35 and 43,053,020.98
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Solution
The fourth proportional to 79,722,449.98, 110,016,982.35 and 43,053,020.98 is: 59,413,169.70
Step by Step Solution
- Step 1: Write the proportion equation
79,722,449.98 : 110,016,982.35 = 43,053,020.98 : x - Step 2: Convert to fraction form
79,722,449.98/110,016,982.35 = 43,053,020.98/x - Step 3: Cross multiply
79,722,449.98x = 110,016,982.35 × 43,053,020.98 - Step 4: Simplify right side
79,722,449.98x = 4,736,563,449,270,839 - Step 5: Solve for x
x = 4,736,563,449,270,839/79,722,449.98 - Step 6: Final answer
x = 59,413,169.70
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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.