Finding the Fourth Proportional to 165,999,489.92, 249,085,408.14 and 67,703,310.65
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Solution
The fourth proportional to 165,999,489.92, 249,085,408.14 and 67,703,310.65 is: 101,590,111.95
Step by Step Solution
- Step 1: Write the proportion equation
165,999,489.92 : 249,085,408.14 = 67,703,310.65 : x - Step 2: Convert to fraction form
165,999,489.92/249,085,408.14 = 67,703,310.65/x - Step 3: Cross multiply
165,999,489.92x = 249,085,408.14 × 67,703,310.65 - Step 4: Simplify right side
165,999,489.92x = 16,863,906,764,100,514 - Step 5: Solve for x
x = 16,863,906,764,100,514/165,999,489.92 - Step 6: Final answer
x = 101,590,111.95
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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.