Finding the Fourth Proportional to 165,392,227.80, 248,088,341.70 and 122,345,506.80
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Solution
The fourth proportional to 165,392,227.80, 248,088,341.70 and 122,345,506.80 is: 183,518,260.20
Step by Step Solution
- Step 1: Write the proportion equation
165,392,227.80 : 248,088,341.70 = 122,345,506.80 : x - Step 2: Convert to fraction form
165,392,227.80/248,088,341.70 = 122,345,506.80/x - Step 3: Cross multiply
165,392,227.80x = 248,088,341.70 × 122,345,506.80 - Step 4: Simplify right side
165,392,227.80x = 30,352,493,896,458,072 - Step 5: Solve for x
x = 30,352,493,896,458,072/165,392,227.80 - Step 6: Final answer
x = 183,518,260.20
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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.