Finding the Fourth Proportional to 239,320,695.09, 358,876,784.22 and 127,121,989.53
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Solution
The fourth proportional to 239,320,695.09, 358,876,784.22 and 127,121,989.53 is: 190,627,604.48
Step by Step Solution
- Step 1: Write the proportion equation
239,320,695.09 : 358,876,784.22 = 127,121,989.53 : x - Step 2: Convert to fraction form
239,320,695.09/358,876,784.22 = 127,121,989.53/x - Step 3: Cross multiply
239,320,695.09x = 358,876,784.22 × 127,121,989.53 - Step 4: Simplify right side
239,320,695.09x = 45,621,130,807,076,744 - Step 5: Solve for x
x = 45,621,130,807,076,744/239,320,695.09 - Step 6: Final answer
x = 190,627,604.48
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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.