Finding the Fourth Proportional to 216,063,625.23, 298,167,777.68 and 116,944,354.53
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Solution
The fourth proportional to 216,063,625.23, 298,167,777.68 and 116,944,354.53 is: 161,383,195.64
Step by Step Solution
- Step 1: Write the proportion equation
216,063,625.23 : 298,167,777.68 = 116,944,354.53 : x - Step 2: Convert to fraction form
216,063,625.23/298,167,777.68 = 116,944,354.53/x - Step 3: Cross multiply
216,063,625.23x = 298,167,777.68 × 116,944,354.53 - Step 4: Simplify right side
216,063,625.23x = 34,869,038,301,847,420 - Step 5: Solve for x
x = 34,869,038,301,847,420/216,063,625.23 - Step 6: Final answer
x = 161,383,195.64
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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.