Finding the Fourth Proportional to 145,859,804.92, 201,348,508.62 and 90,882,823.96
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Solution
The fourth proportional to 145,859,804.92, 201,348,508.62 and 90,882,823.96 is: 125,456,914.42
Step by Step Solution
- Step 1: Write the proportion equation
145,859,804.92 : 201,348,508.62 = 90,882,823.96 : x - Step 2: Convert to fraction form
145,859,804.92/201,348,508.62 = 90,882,823.96/x - Step 3: Cross multiply
145,859,804.92x = 201,348,508.62 × 90,882,823.96 - Step 4: Simplify right side
145,859,804.92x = 18,299,121,063,520,000 - Step 5: Solve for x
x = 18,299,121,063,520,000/145,859,804.92 - Step 6: Final answer
x = 125,456,914.42
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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.