Finding the Fourth Proportional to 135,387,183.24, 202,628,270.75 and 77,079,208.28
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Solution
The fourth proportional to 135,387,183.24, 202,628,270.75 and 77,079,208.28 is: 115,361,190.84
Step by Step Solution
- Step 1: Write the proportion equation
135,387,183.24 : 202,628,270.75 = 77,079,208.28 : x - Step 2: Convert to fraction form
135,387,183.24/202,628,270.75 = 77,079,208.28/x - Step 3: Cross multiply
135,387,183.24x = 202,628,270.75 × 77,079,208.28 - Step 4: Simplify right side
135,387,183.24x = 15,618,426,683,156,946 - Step 5: Solve for x
x = 15,618,426,683,156,946/135,387,183.24 - Step 6: Final answer
x = 115,361,190.84
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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.