Finding the Fourth Proportional to 124,335,326.54, 171,579,744.81 and 68,579,549.53
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Solution
The fourth proportional to 124,335,326.54, 171,579,744.81 and 68,579,549.53 is: 94,638,120.44
Step by Step Solution
- Step 1: Write the proportion equation
124,335,326.54 : 171,579,744.81 = 68,579,549.53 : x - Step 2: Convert to fraction form
124,335,326.54/171,579,744.81 = 68,579,549.53/x - Step 3: Cross multiply
124,335,326.54x = 171,579,744.81 × 68,579,549.53 - Step 4: Simplify right side
124,335,326.54x = 11,766,861,608,078,342 - Step 5: Solve for x
x = 11,766,861,608,078,342/124,335,326.54 - Step 6: Final answer
x = 94,638,120.44
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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.