Finding the Fourth Proportional to 165,888,107.70, 248,832,161.55 and 155,802,117.30
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Solution
The fourth proportional to 165,888,107.70, 248,832,161.55 and 155,802,117.30 is: 233,703,175.95
Step by Step Solution
- Step 1: Write the proportion equation
165,888,107.70 : 248,832,161.55 = 155,802,117.30 : x - Step 2: Convert to fraction form
165,888,107.70/248,832,161.55 = 155,802,117.30/x - Step 3: Cross multiply
165,888,107.70x = 248,832,161.55 × 155,802,117.30 - Step 4: Simplify right side
165,888,107.70x = 38,768,577,621,825,656 - Step 5: Solve for x
x = 38,768,577,621,825,656/165,888,107.70 - Step 6: Final answer
x = 233,703,175.95
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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.