Finding the Fourth Proportional to 235,616,266.80, 353,424,400.20 and 74,058,202.80
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Solution
The fourth proportional to 235,616,266.80, 353,424,400.20 and 74,058,202.80 is: 111,087,304.20
Step by Step Solution
- Step 1: Write the proportion equation
235,616,266.80 : 353,424,400.20 = 74,058,202.80 : x - Step 2: Convert to fraction form
235,616,266.80/353,424,400.20 = 74,058,202.80/x - Step 3: Cross multiply
235,616,266.80x = 353,424,400.20 × 74,058,202.80 - Step 4: Simplify right side
235,616,266.80x = 26,173,975,904,479,960 - Step 5: Solve for x
x = 26,173,975,904,479,960/235,616,266.80 - Step 6: Final answer
x = 111,087,304.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.