Finding the Fourth Proportional to 214,912,837.49, 322,432,504.29 and 69,343,668.05
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Solution
The fourth proportional to 214,912,837.49, 322,432,504.29 and 69,343,668.05 is: 104,035,909.66
Step by Step Solution
- Step 1: Write the proportion equation
214,912,837.49 : 322,432,504.29 = 69,343,668.05 : x - Step 2: Convert to fraction form
214,912,837.49/322,432,504.29 = 69,343,668.05/x - Step 3: Cross multiply
214,912,837.49x = 322,432,504.29 × 69,343,668.05 - Step 4: Simplify right side
214,912,837.49x = 22,358,652,544,403,800 - Step 5: Solve for x
x = 22,358,652,544,403,800/214,912,837.49 - Step 6: Final answer
x = 104,035,909.66
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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.