Finding the Fourth Proportional to 172,369,577.70, 258,554,366.55 and 107,746,352.10
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Solution
The fourth proportional to 172,369,577.70, 258,554,366.55 and 107,746,352.10 is: 161,619,528.15
Step by Step Solution
- Step 1: Write the proportion equation
172,369,577.70 : 258,554,366.55 = 107,746,352.10 : x - Step 2: Convert to fraction form
172,369,577.70/258,554,366.55 = 107,746,352.10/x - Step 3: Cross multiply
172,369,577.70x = 258,554,366.55 × 107,746,352.10 - Step 4: Simplify right side
172,369,577.70x = 27,858,289,815,288,760 - Step 5: Solve for x
x = 27,858,289,815,288,760/172,369,577.70 - Step 6: Final answer
x = 161,619,528.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.