Finding the Fourth Proportional to 251,772,414.48, 377,241,120.87 and 153,105,661.98
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Solution
The fourth proportional to 251,772,414.48, 377,241,120.87 and 153,105,661.98 is: 229,404,605.97
Step by Step Solution
- Step 1: Write the proportion equation
251,772,414.48 : 377,241,120.87 = 153,105,661.98 : x - Step 2: Convert to fraction form
251,772,414.48/377,241,120.87 = 153,105,661.98/x - Step 3: Cross multiply
251,772,414.48x = 377,241,120.87 × 153,105,661.98 - Step 4: Simplify right side
251,772,414.48x = 57,757,751,536,878,544 - Step 5: Solve for x
x = 57,757,751,536,878,544/251,772,414.48 - Step 6: Final answer
x = 229,404,605.97
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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.