Finding the Fourth Proportional to 47,476,505.08, 71,133,315.36 and 31,885,106.68
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Solution
The fourth proportional to 47,476,505.08, 71,133,315.36 and 31,885,106.68 is: 47,772,963.59
Step by Step Solution
- Step 1: Write the proportion equation
47,476,505.08 : 71,133,315.36 = 31,885,106.68 : x - Step 2: Convert to fraction form
47,476,505.08/71,133,315.36 = 31,885,106.68/x - Step 3: Cross multiply
47,476,505.08x = 71,133,315.36 × 31,885,106.68 - Step 4: Simplify right side
47,476,505.08x = 2,268,093,348,755,682.50 - Step 5: Solve for x
x = 2,268,093,348,755,682.50/47,476,505.08 - Step 6: Final answer
x = 47,772,963.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.