Finding the Fourth Proportional to 160,053,947.48, 220,752,583.76 and 137,764,869.08
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Solution
The fourth proportional to 160,053,947.48, 220,752,583.76 and 137,764,869.08 is: 190,010,626.28
Step by Step Solution
- Step 1: Write the proportion equation
160,053,947.48 : 220,752,583.76 = 137,764,869.08 : x - Step 2: Convert to fraction form
160,053,947.48/220,752,583.76 = 137,764,869.08/x - Step 3: Cross multiply
160,053,947.48x = 220,752,583.76 × 137,764,869.08 - Step 4: Simplify right side
160,053,947.48x = 30,411,950,798,975,544 - Step 5: Solve for x
x = 30,411,950,798,975,544/160,053,947.48 - Step 6: Final answer
x = 190,010,626.28
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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.