Finding the Fourth Proportional to 54,029,591.19, 74,686,496.64 and 48,206,935.41
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Solution
The fourth proportional to 54,029,591.19, 74,686,496.64 and 48,206,935.41 is: 66,637,689.46
Step by Step Solution
- Step 1: Write the proportion equation
54,029,591.19 : 74,686,496.64 = 48,206,935.41 : x - Step 2: Convert to fraction form
54,029,591.19/74,686,496.64 = 48,206,935.41/x - Step 3: Cross multiply
54,029,591.19x = 74,686,496.64 × 48,206,935.41 - Step 4: Simplify right side
54,029,591.19x = 3,600,407,119,523,662 - Step 5: Solve for x
x = 3,600,407,119,523,662/54,029,591.19 - Step 6: Final answer
x = 66,637,689.46
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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.