Finding the Fourth Proportional to 209,331,058.12, 288,871,580.22 and 115,244,266.01
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Solution
The fourth proportional to 209,331,058.12, 288,871,580.22 and 115,244,266.01 is: 159,034,180.27
Step by Step Solution
- Step 1: Write the proportion equation
209,331,058.12 : 288,871,580.22 = 115,244,266.01 : x - Step 2: Convert to fraction form
209,331,058.12/288,871,580.22 = 115,244,266.01/x - Step 3: Cross multiply
209,331,058.12x = 288,871,580.22 × 115,244,266.01 - Step 4: Simplify right side
209,331,058.12x = 33,290,793,233,602,740 - Step 5: Solve for x
x = 33,290,793,233,602,740/209,331,058.12 - Step 6: Final answer
x = 159,034,180.27
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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.