Finding the Fourth Proportional to 217,748,779.80, 326,623,169.70 and 96,580,231.80
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Solution
The fourth proportional to 217,748,779.80, 326,623,169.70 and 96,580,231.80 is: 144,870,347.70
Step by Step Solution
- Step 1: Write the proportion equation
217,748,779.80 : 326,623,169.70 = 96,580,231.80 : x - Step 2: Convert to fraction form
217,748,779.80/326,623,169.70 = 96,580,231.80/x - Step 3: Cross multiply
217,748,779.80x = 326,623,169.70 × 96,580,231.80 - Step 4: Simplify right side
217,748,779.80x = 31,545,341,440,876,736 - Step 5: Solve for x
x = 31,545,341,440,876,736/217,748,779.80 - Step 6: Final answer
x = 144,870,347.70
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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.