Finding the Fourth Proportional to 209,546,998.80, 292,983,160.80 and 209,546,998.80
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Solution
The fourth proportional to 209,546,998.80, 292,983,160.80 and 209,546,998.80 is: 292,983,160.80
Step by Step Solution
- Step 1: Write the proportion equation
209,546,998.80 : 292,983,160.80 = 209,546,998.80 : x - Step 2: Convert to fraction form
209,546,998.80/292,983,160.80 = 209,546,998.80/x - Step 3: Cross multiply
209,546,998.80x = 292,983,160.80 × 209,546,998.80 - Step 4: Simplify right side
209,546,998.80x = 61,393,742,044,577,816 - Step 5: Solve for x
x = 61,393,742,044,577,816/209,546,998.80 - Step 6: Final answer
x = 292,983,160.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.