Finding the Fourth Proportional to 206,272,723.60, 309,329,554.20 and 91,194,104.08
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Solution
The fourth proportional to 206,272,723.60, 309,329,554.20 and 91,194,104.08 is: 136,755,995.02
Step by Step Solution
- Step 1: Write the proportion equation
206,272,723.60 : 309,329,554.20 = 91,194,104.08 : x - Step 2: Convert to fraction form
206,272,723.60/309,329,554.20 = 91,194,104.08/x - Step 3: Cross multiply
206,272,723.60x = 309,329,554.20 × 91,194,104.08 - Step 4: Simplify right side
206,272,723.60x = 28,209,031,560,734,800 - Step 5: Solve for x
x = 28,209,031,560,734,800/206,272,723.60 - Step 6: Final answer
x = 136,755,995.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.