Finding the Fourth Proportional to 163,649,841.28, 225,842,063.52 and 93,083,636.80
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Solution
The fourth proportional to 163,649,841.28, 225,842,063.52 and 93,083,636.80 is: 128,458,423.49
Step by Step Solution
- Step 1: Write the proportion equation
163,649,841.28 : 225,842,063.52 = 93,083,636.80 : x - Step 2: Convert to fraction form
163,649,841.28/225,842,063.52 = 93,083,636.80/x - Step 3: Cross multiply
163,649,841.28x = 225,842,063.52 × 93,083,636.80 - Step 4: Simplify right side
163,649,841.28x = 21,022,200,614,858,208 - Step 5: Solve for x
x = 21,022,200,614,858,208/163,649,841.28 - Step 6: Final answer
x = 128,458,423.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.