Finding the Fourth Proportional to 92,902,142.09, 128,213,126.01 and 51,093,574.07
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Solution
The fourth proportional to 92,902,142.09, 128,213,126.01 and 51,093,574.07 is: 70,513,625.44
Step by Step Solution
- Step 1: Write the proportion equation
92,902,142.09 : 128,213,126.01 = 51,093,574.07 : x - Step 2: Convert to fraction form
92,902,142.09/128,213,126.01 = 51,093,574.07/x - Step 3: Cross multiply
92,902,142.09x = 128,213,126.01 × 51,093,574.07 - Step 4: Simplify right side
92,902,142.09x = 6,550,866,849,897,113 - Step 5: Solve for x
x = 6,550,866,849,897,113/92,902,142.09 - Step 6: Final answer
x = 70,513,625.44
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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.