Finding the Fourth Proportional to 58,903,843.70, 88,355,765.55 and 18,514,327.70
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Solution
The fourth proportional to 58,903,843.70, 88,355,765.55 and 18,514,327.70 is: 27,771,491.55
Step by Step Solution
- Step 1: Write the proportion equation
58,903,843.70 : 88,355,765.55 = 18,514,327.70 : x - Step 2: Convert to fraction form
58,903,843.70/88,355,765.55 = 18,514,327.70/x - Step 3: Cross multiply
58,903,843.70x = 88,355,765.55 × 18,514,327.70 - Step 4: Simplify right side
58,903,843.70x = 1,635,847,597,577,070.50 - Step 5: Solve for x
x = 1,635,847,597,577,070.50/58,903,843.70 - Step 6: Final answer
x = 27,771,491.55
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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.