Finding the Fourth Proportional to 170,313,024.41, 235,032,068.30 and 91,996,578.56
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Solution
The fourth proportional to 170,313,024.41, 235,032,068.30 and 91,996,578.56 is: 126,955,329.52
Step by Step Solution
- Step 1: Write the proportion equation
170,313,024.41 : 235,032,068.30 = 91,996,578.56 : x - Step 2: Convert to fraction form
170,313,024.41/235,032,068.30 = 91,996,578.56/x - Step 3: Cross multiply
170,313,024.41x = 235,032,068.30 × 91,996,578.56 - Step 4: Simplify right side
170,313,024.41x = 21,622,146,135,866,344 - Step 5: Solve for x
x = 21,622,146,135,866,344/170,313,024.41 - Step 6: Final answer
x = 126,955,329.52
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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.