Finding the Fourth Proportional to 45,291,208.10, 67,936,812.15 and 11,212,553.98
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Solution
The fourth proportional to 45,291,208.10, 67,936,812.15 and 11,212,553.98 is: 16,818,830.97
Step by Step Solution
- Step 1: Write the proportion equation
45,291,208.10 : 67,936,812.15 = 11,212,553.98 : x - Step 2: Convert to fraction form
45,291,208.10/67,936,812.15 = 11,212,553.98/x - Step 3: Cross multiply
45,291,208.10x = 67,936,812.15 × 11,212,553.98 - Step 4: Simplify right side
45,291,208.10x = 761,745,173,460,995 - Step 5: Solve for x
x = 761,745,173,460,995/45,291,208.10 - Step 6: Final answer
x = 16,818,830.97
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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.