Finding the Fourth Proportional to 172,463,085.97, 237,394,968.28 and 150,397,655.65
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Solution
The fourth proportional to 172,463,085.97, 237,394,968.28 and 150,397,655.65 is: 207,021,963.52
Step by Step Solution
- Step 1: Write the proportion equation
172,463,085.97 : 237,394,968.28 = 150,397,655.65 : x - Step 2: Convert to fraction form
172,463,085.97/237,394,968.28 = 150,397,655.65/x - Step 3: Cross multiply
172,463,085.97x = 237,394,968.28 × 150,397,655.65 - Step 4: Simplify right side
172,463,085.97x = 35,703,646,692,418,116 - Step 5: Solve for x
x = 35,703,646,692,418,116/172,463,085.97 - Step 6: Final answer
x = 207,021,963.52
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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.