Finding the Fourth Proportional to 84,270,411.08, 116,246,605.20 and 68,606,286.02
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Solution
The fourth proportional to 84,270,411.08, 116,246,605.20 and 68,606,286.02 is: 94,638,767.55
Step by Step Solution
- Step 1: Write the proportion equation
84,270,411.08 : 116,246,605.20 = 68,606,286.02 : x - Step 2: Convert to fraction form
84,270,411.08/116,246,605.20 = 68,606,286.02/x - Step 3: Cross multiply
84,270,411.08x = 116,246,605.20 × 68,606,286.02 - Step 4: Simplify right side
84,270,411.08x = 7,975,247,845,205,219 - Step 5: Solve for x
x = 7,975,247,845,205,219/84,270,411.08 - Step 6: Final answer
x = 94,638,767.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.