Finding the Fourth Proportional to 84,168,018.92, 116,171,230.86 and 49,371,919.44
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Solution
The fourth proportional to 84,168,018.92, 116,171,230.86 and 49,371,919.44 is: 68,144,607.95
Step by Step Solution
- Step 1: Write the proportion equation
84,168,018.92 : 116,171,230.86 = 49,371,919.44 : x - Step 2: Convert to fraction form
84,168,018.92/116,171,230.86 = 49,371,919.44/x - Step 3: Cross multiply
84,168,018.92x = 116,171,230.86 × 49,371,919.44 - Step 4: Simplify right side
84,168,018.92x = 5,735,596,651,265,562 - Step 5: Solve for x
x = 5,735,596,651,265,562/84,168,018.92 - Step 6: Final answer
x = 68,144,607.95
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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.