Finding the Fourth Proportional to 87,808,354, 121,175,528.52 and 49,177,186
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Solution
The fourth proportional to 87,808,354, 121,175,528.52 and 49,177,186 is: 67,864,516.68
Step by Step Solution
- Step 1: Write the proportion equation
87,808,354 : 121,175,528.52 = 49,177,186 : x - Step 2: Convert to fraction form
87,808,354/121,175,528.52 = 49,177,186/x - Step 3: Cross multiply
87,808,354x = 121,175,528.52 × 49,177,186 - Step 4: Simplify right side
87,808,354x = 5,959,071,504,676,345 - Step 5: Solve for x
x = 5,959,071,504,676,345/87,808,354 - Step 6: Final answer
x = 67,864,516.68
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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.