Finding the Fourth Proportional to 54,415,875.98, 75,090,463.88 and 29,969,589.98
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Solution
The fourth proportional to 54,415,875.98, 75,090,463.88 and 29,969,589.98 is: 41,356,136.85
Step by Step Solution
- Step 1: Write the proportion equation
54,415,875.98 : 75,090,463.88 = 29,969,589.98 : x - Step 2: Convert to fraction form
54,415,875.98/75,090,463.88 = 29,969,589.98/x - Step 3: Cross multiply
54,415,875.98x = 75,090,463.88 × 29,969,589.98 - Step 4: Simplify right side
54,415,875.98x = 2,250,430,413,891,599.75 - Step 5: Solve for x
x = 2,250,430,413,891,599.75/54,415,875.98 - Step 6: Final answer
x = 41,356,136.85
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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.