Finding the Fourth Proportional to 81,282,082.14, 112,169,331.87 and 44,112,352.80
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Solution
The fourth proportional to 81,282,082.14, 112,169,331.87 and 44,112,352.80 is: 60,875,078.62
Step by Step Solution
- Step 1: Write the proportion equation
81,282,082.14 : 112,169,331.87 = 44,112,352.80 : x - Step 2: Convert to fraction form
81,282,082.14/112,169,331.87 = 44,112,352.80/x - Step 3: Cross multiply
81,282,082.14x = 112,169,331.87 × 44,112,352.80 - Step 4: Simplify right side
81,282,082.14x = 4,948,053,140,789,724 - Step 5: Solve for x
x = 4,948,053,140,789,724/81,282,082.14 - Step 6: Final answer
x = 60,875,078.62
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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.