Finding the Fourth Proportional to 106,918,936.26, 147,548,131.91 and 58,026,364.26
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Solution
The fourth proportional to 106,918,936.26, 147,548,131.91 and 58,026,364.26 is: 80,076,382.61
Step by Step Solution
- Step 1: Write the proportion equation
106,918,936.26 : 147,548,131.91 = 58,026,364.26 : x - Step 2: Convert to fraction form
106,918,936.26/147,548,131.91 = 58,026,364.26/x - Step 3: Cross multiply
106,918,936.26x = 147,548,131.91 × 58,026,364.26 - Step 4: Simplify right side
106,918,936.26x = 8,561,681,648,092,189 - Step 5: Solve for x
x = 8,561,681,648,092,189/106,918,936.26 - Step 6: Final answer
x = 80,076,382.61
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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.