Finding the Fourth Proportional to 313,270,242.32, 432,287,625.92 and 181,119,755.08
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Solution
The fourth proportional to 313,270,242.32, 432,287,625.92 and 181,119,755.08 is: 249,930,629.70
Step by Step Solution
- Step 1: Write the proportion equation
313,270,242.32 : 432,287,625.92 = 181,119,755.08 : x - Step 2: Convert to fraction form
313,270,242.32/432,287,625.92 = 181,119,755.08/x - Step 3: Cross multiply
313,270,242.32x = 432,287,625.92 × 181,119,755.08 - Step 4: Simplify right side
313,270,242.32x = 78,295,828,930,745,072 - Step 5: Solve for x
x = 78,295,828,930,745,072/313,270,242.32 - Step 6: Final answer
x = 249,930,629.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.