Finding the Fourth Proportional to 93,558,363.93, 139,652,287.92 and 82,513,838.97
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Solution
The fourth proportional to 93,558,363.93, 139,652,287.92 and 82,513,838.97 is: 123,166,394.89
Step by Step Solution
- Step 1: Write the proportion equation
93,558,363.93 : 139,652,287.92 = 82,513,838.97 : x - Step 2: Convert to fraction form
93,558,363.93/139,652,287.92 = 82,513,838.97/x - Step 3: Cross multiply
93,558,363.93x = 139,652,287.92 × 82,513,838.97 - Step 4: Simplify right side
93,558,363.93x = 11,523,246,397,222,954 - Step 5: Solve for x
x = 11,523,246,397,222,954/93,558,363.93 - Step 6: Final answer
x = 123,166,394.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.