Finding the Fourth Proportional to 73,544,219.80, 110,316,329.70 and 19,691,531.80
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Solution
The fourth proportional to 73,544,219.80, 110,316,329.70 and 19,691,531.80 is: 29,537,297.70
Step by Step Solution
- Step 1: Write the proportion equation
73,544,219.80 : 110,316,329.70 = 19,691,531.80 : x - Step 2: Convert to fraction form
73,544,219.80/110,316,329.70 = 19,691,531.80/x - Step 3: Cross multiply
73,544,219.80x = 110,316,329.70 × 19,691,531.80 - Step 4: Simplify right side
73,544,219.80x = 2,172,297,514,346,834.50 - Step 5: Solve for x
x = 2,172,297,514,346,834.50/73,544,219.80 - Step 6: Final answer
x = 29,537,297.70
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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.