Finding the Fourth Proportional to 154,858,560.13, 213,709,218.33 and 84,298,720.80
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Solution
The fourth proportional to 154,858,560.13, 213,709,218.33 and 84,298,720.80 is: 116,334,632.80
Step by Step Solution
- Step 1: Write the proportion equation
154,858,560.13 : 213,709,218.33 = 84,298,720.80 : x - Step 2: Convert to fraction form
154,858,560.13/213,709,218.33 = 84,298,720.80/x - Step 3: Cross multiply
154,858,560.13x = 213,709,218.33 × 84,298,720.80 - Step 4: Simplify right side
154,858,560.13x = 18,015,413,728,386,912 - Step 5: Solve for x
x = 18,015,413,728,386,912/154,858,560.13 - Step 6: Final answer
x = 116,334,632.80
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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.