Finding the Fourth Proportional to 230,727,204.36, 318,403,518.30 and 124,880,601.24
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Solution
The fourth proportional to 230,727,204.36, 318,403,518.30 and 124,880,601.24 is: 172,335,216.87
Step by Step Solution
- Step 1: Write the proportion equation
230,727,204.36 : 318,403,518.30 = 124,880,601.24 : x - Step 2: Convert to fraction form
230,727,204.36/318,403,518.30 = 124,880,601.24/x - Step 3: Cross multiply
230,727,204.36x = 318,403,518.30 × 124,880,601.24 - Step 4: Simplify right side
230,727,204.36x = 39,762,422,802,235,344 - Step 5: Solve for x
x = 39,762,422,802,235,344/230,727,204.36 - Step 6: Final answer
x = 172,335,216.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.