Finding the Fourth Proportional to 66,805,363.80, 100,208,045.70 and 41,296,195.80
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Solution
The fourth proportional to 66,805,363.80, 100,208,045.70 and 41,296,195.80 is: 61,944,293.70
Step by Step Solution
- Step 1: Write the proportion equation
66,805,363.80 : 100,208,045.70 = 41,296,195.80 : x - Step 2: Convert to fraction form
66,805,363.80/100,208,045.70 = 41,296,195.80/x - Step 3: Cross multiply
66,805,363.80x = 100,208,045.70 × 41,296,195.80 - Step 4: Simplify right side
66,805,363.80x = 4,138,211,075,962,548 - Step 5: Solve for x
x = 4,138,211,075,962,548/66,805,363.80 - Step 6: Final answer
x = 61,944,293.70
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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.