Finding the Fourth Proportional to 64,645,266.18, 89,212,351.29 and 35,278,490.28
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Solution
The fourth proportional to 64,645,266.18, 89,212,351.29 and 35,278,490.28 is: 48,685,344.71
Step by Step Solution
- Step 1: Write the proportion equation
64,645,266.18 : 89,212,351.29 = 35,278,490.28 : x - Step 2: Convert to fraction form
64,645,266.18/89,212,351.29 = 35,278,490.28/x - Step 3: Cross multiply
64,645,266.18x = 89,212,351.29 × 35,278,490.28 - Step 4: Simplify right side
64,645,266.18x = 3,147,277,067,840,211 - Step 5: Solve for x
x = 3,147,277,067,840,211/64,645,266.18 - Step 6: Final answer
x = 48,685,344.71
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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.