Finding the Fourth Proportional to 161,504,156.40, 242,287,727.40 and 69,387,716.40
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Solution
The fourth proportional to 161,504,156.40, 242,287,727.40 and 69,387,716.40 is: 104,095,104.99
Step by Step Solution
- Step 1: Write the proportion equation
161,504,156.40 : 242,287,727.40 = 69,387,716.40 : x - Step 2: Convert to fraction form
161,504,156.40/242,287,727.40 = 69,387,716.40/x - Step 3: Cross multiply
161,504,156.40x = 242,287,727.40 × 69,387,716.40 - Step 4: Simplify right side
161,504,156.40x = 16,811,792,116,031,712 - Step 5: Solve for x
x = 16,811,792,116,031,712/161,504,156.40 - Step 6: Final answer
x = 104,095,104.99
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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.