Finding the Fourth Proportional to 68,487,913.09, 94,513,446.22 and 37,125,865.06
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Solution
The fourth proportional to 68,487,913.09, 94,513,446.22 and 37,125,865.06 is: 51,233,762.17
Step by Step Solution
- Step 1: Write the proportion equation
68,487,913.09 : 94,513,446.22 = 37,125,865.06 : x - Step 2: Convert to fraction form
68,487,913.09/94,513,446.22 = 37,125,865.06/x - Step 3: Cross multiply
68,487,913.09x = 94,513,446.22 × 37,125,865.06 - Step 4: Simplify right side
68,487,913.09x = 3,508,893,450,991,438 - Step 5: Solve for x
x = 3,508,893,450,991,438/68,487,913.09 - Step 6: Final answer
x = 51,233,762.17
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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.