Finding the Fourth Proportional to 213,652,740.29, 320,473,131.68 and 68,095,036.19
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Solution
The fourth proportional to 213,652,740.29, 320,473,131.68 and 68,095,036.19 is: 102,140,648.75
Step by Step Solution
- Step 1: Write the proportion equation
213,652,740.29 : 320,473,131.68 = 68,095,036.19 : x - Step 2: Convert to fraction form
213,652,740.29/320,473,131.68 = 68,095,036.19/x - Step 3: Cross multiply
213,652,740.29x = 320,473,131.68 × 68,095,036.19 - Step 4: Simplify right side
213,652,740.29x = 21,822,629,500,643,656 - Step 5: Solve for x
x = 21,822,629,500,643,656/213,652,740.29 - Step 6: Final answer
x = 102,140,648.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.