Finding the Fourth Proportional to 145,058,420.20, 217,587,630.30 and 136,548,365.80
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Solution
The fourth proportional to 145,058,420.20, 217,587,630.30 and 136,548,365.80 is: 204,822,548.70
Step by Step Solution
- Step 1: Write the proportion equation
145,058,420.20 : 217,587,630.30 = 136,548,365.80 : x - Step 2: Convert to fraction form
145,058,420.20/217,587,630.30 = 136,548,365.80/x - Step 3: Cross multiply
145,058,420.20x = 217,587,630.30 × 136,548,365.80 - Step 4: Simplify right side
145,058,420.20x = 29,711,235,335,759,568 - Step 5: Solve for x
x = 29,711,235,335,759,568/145,058,420.20 - Step 6: Final answer
x = 204,822,548.70
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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.