Finding the Fourth Proportional to 203,147,661.96, 304,625,503.15 and 78,708,587.09
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Solution
The fourth proportional to 203,147,661.96, 304,625,503.15 and 78,708,587.09 is: 118,025,689.84
Step by Step Solution
- Step 1: Write the proportion equation
203,147,661.96 : 304,625,503.15 = 78,708,587.09 : x - Step 2: Convert to fraction form
203,147,661.96/304,625,503.15 = 78,708,587.09/x - Step 3: Cross multiply
203,147,661.96x = 304,625,503.15 × 78,708,587.09 - Step 4: Simplify right side
203,147,661.96x = 23,976,642,942,796,940 - Step 5: Solve for x
x = 23,976,642,942,796,940/203,147,661.96 - Step 6: Final answer
x = 118,025,689.84
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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.