Finding the Fourth Proportional to 84,270,409.08, 116,246,602.44 and 68,606,284.02
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Solution
The fourth proportional to 84,270,409.08, 116,246,602.44 and 68,606,284.02 is: 94,638,764.79
Step by Step Solution
- Step 1: Write the proportion equation
84,270,409.08 : 116,246,602.44 = 68,606,284.02 : x - Step 2: Convert to fraction form
84,270,409.08/116,246,602.44 = 68,606,284.02/x - Step 3: Cross multiply
84,270,409.08x = 116,246,602.44 × 68,606,284.02 - Step 4: Simplify right side
84,270,409.08x = 7,975,247,423,358,664 - Step 5: Solve for x
x = 7,975,247,423,358,664/84,270,409.08 - Step 6: Final answer
x = 94,638,764.79
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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.