Finding the Fourth Proportional to 79,719,371.81, 119,579,059.16 and 19,135,097.81
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Solution
The fourth proportional to 79,719,371.81, 119,579,059.16 and 19,135,097.81 is: 28,702,647.06
Step by Step Solution
- Step 1: Write the proportion equation
79,719,371.81 : 119,579,059.16 = 19,135,097.81 : x - Step 2: Convert to fraction form
79,719,371.81/119,579,059.16 = 19,135,097.81/x - Step 3: Cross multiply
79,719,371.81x = 119,579,059.16 × 19,135,097.81 - Step 4: Simplify right side
79,719,371.81x = 2,288,156,993,054,376 - Step 5: Solve for x
x = 2,288,156,993,054,376/79,719,371.81 - Step 6: Final answer
x = 28,702,647.06
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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.