Finding the Fourth Proportional to 207,079,459.88, 285,775,636.02 and 114,265,944.68
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Solution
The fourth proportional to 207,079,459.88, 285,775,636.02 and 114,265,944.68 is: 157,690,304.17
Step by Step Solution
- Step 1: Write the proportion equation
207,079,459.88 : 285,775,636.02 = 114,265,944.68 : x - Step 2: Convert to fraction form
207,079,459.88/285,775,636.02 = 114,265,944.68/x - Step 3: Cross multiply
207,079,459.88x = 285,775,636.02 × 114,265,944.68 - Step 4: Simplify right side
207,079,459.88x = 32,654,423,016,353,136 - Step 5: Solve for x
x = 32,654,423,016,353,136/207,079,459.88 - Step 6: Final answer
x = 157,690,304.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.