Finding the Fourth Proportional to 186,656,829.80, 279,985,244.70 and 129,261,201.80
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Solution
The fourth proportional to 186,656,829.80, 279,985,244.70 and 129,261,201.80 is: 193,891,802.70
Step by Step Solution
- Step 1: Write the proportion equation
186,656,829.80 : 279,985,244.70 = 129,261,201.80 : x - Step 2: Convert to fraction form
186,656,829.80/279,985,244.70 = 129,261,201.80/x - Step 3: Cross multiply
186,656,829.80x = 279,985,244.70 × 129,261,201.80 - Step 4: Simplify right side
186,656,829.80x = 36,191,229,216,189,080 - Step 5: Solve for x
x = 36,191,229,216,189,080/186,656,829.80 - Step 6: Final answer
x = 193,891,802.70
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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.