Finding the Fourth Proportional to 211,737,148.74, 292,184,456.05 and 117,648,078.48
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Solution
The fourth proportional to 211,737,148.74, 292,184,456.05 and 117,648,078.48 is: 162,347,231.09
Step by Step Solution
- Step 1: Write the proportion equation
211,737,148.74 : 292,184,456.05 = 117,648,078.48 : x - Step 2: Convert to fraction form
211,737,148.74/292,184,456.05 = 117,648,078.48/x - Step 3: Cross multiply
211,737,148.74x = 292,184,456.05 × 117,648,078.48 - Step 4: Simplify right side
211,737,148.74x = 34,374,939,816,006,512 - Step 5: Solve for x
x = 34,374,939,816,006,512/211,737,148.74 - Step 6: Final answer
x = 162,347,231.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.