Finding the Fourth Proportional to 260,215,247.66, 359,093,689.02 and 148,704,809.99
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Solution
The fourth proportional to 260,215,247.66, 359,093,689.02 and 148,704,809.99 is: 205,210,721.79
Step by Step Solution
- Step 1: Write the proportion equation
260,215,247.66 : 359,093,689.02 = 148,704,809.99 : x - Step 2: Convert to fraction form
260,215,247.66/359,093,689.02 = 148,704,809.99/x - Step 3: Cross multiply
260,215,247.66x = 359,093,689.02 × 148,704,809.99 - Step 4: Simplify right side
260,215,247.66x = 53,398,958,792,531,784 - Step 5: Solve for x
x = 53,398,958,792,531,784/260,215,247.66 - Step 6: Final answer
x = 205,210,721.79
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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.