Finding the Fourth Proportional to 124,107,669.49, 171,280,681.27 and 92,691,175.97
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Solution
The fourth proportional to 124,107,669.49, 171,280,681.27 and 92,691,175.97 is: 127,922,857.90
Step by Step Solution
- Step 1: Write the proportion equation
124,107,669.49 : 171,280,681.27 = 92,691,175.97 : x - Step 2: Convert to fraction form
124,107,669.49/171,280,681.27 = 92,691,175.97/x - Step 3: Cross multiply
124,107,669.49x = 171,280,681.27 × 92,691,175.97 - Step 4: Simplify right side
124,107,669.49x = 15,876,207,768,403,120 - Step 5: Solve for x
x = 15,876,207,768,403,120/124,107,669.49 - Step 6: Final answer
x = 127,922,857.90
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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.