Finding the Fourth Proportional to 155,135,349.25, 214,088,226.05 and 85,523,221.26
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Solution
The fourth proportional to 155,135,349.25, 214,088,226.05 and 85,523,221.26 is: 118,022,841.44
Step by Step Solution
- Step 1: Write the proportion equation
155,135,349.25 : 214,088,226.05 = 85,523,221.26 : x - Step 2: Convert to fraction form
155,135,349.25/214,088,226.05 = 85,523,221.26/x - Step 3: Cross multiply
155,135,349.25x = 214,088,226.05 × 85,523,221.26 - Step 4: Simplify right side
155,135,349.25x = 18,309,514,725,848,856 - Step 5: Solve for x
x = 18,309,514,725,848,856/155,135,349.25 - Step 6: Final answer
x = 118,022,841.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.