Finding the Fourth Proportional to 158,478,694.80, 237,718,042.20 and 144,873,805.20
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Solution
The fourth proportional to 158,478,694.80, 237,718,042.20 and 144,873,805.20 is: 217,310,707.80
Step by Step Solution
- Step 1: Write the proportion equation
158,478,694.80 : 237,718,042.20 = 144,873,805.20 : x - Step 2: Convert to fraction form
158,478,694.80/237,718,042.20 = 144,873,805.20/x - Step 3: Cross multiply
158,478,694.80x = 237,718,042.20 × 144,873,805.20 - Step 4: Simplify right side
158,478,694.80x = 34,439,117,338,208,176 - Step 5: Solve for x
x = 34,439,117,338,208,176/158,478,694.80 - Step 6: Final answer
x = 217,310,707.80
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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.