Finding the Fourth Proportional to 212,895,651.18, 293,794,287.42 and 123,595,881.42
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Solution
The fourth proportional to 212,895,651.18, 293,794,287.42 and 123,595,881.42 is: 170,561,322.92
Step by Step Solution
- Step 1: Write the proportion equation
212,895,651.18 : 293,794,287.42 = 123,595,881.42 : x - Step 2: Convert to fraction form
212,895,651.18/293,794,287.42 = 123,595,881.42/x - Step 3: Cross multiply
212,895,651.18x = 293,794,287.42 × 123,595,881.42 - Step 4: Simplify right side
212,895,651.18x = 36,311,763,909,835,720 - Step 5: Solve for x
x = 36,311,763,909,835,720/212,895,651.18 - Step 6: Final answer
x = 170,561,322.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.