Finding the Fourth Proportional to 145,866,240.02, 201,293,042.61 and 79,786,160.18
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Solution
The fourth proportional to 145,866,240.02, 201,293,042.61 and 79,786,160.18 is: 110,103,605.46
Step by Step Solution
- Step 1: Write the proportion equation
145,866,240.02 : 201,293,042.61 = 79,786,160.18 : x - Step 2: Convert to fraction form
145,866,240.02/201,293,042.61 = 79,786,160.18/x - Step 3: Cross multiply
145,866,240.02x = 201,293,042.61 × 79,786,160.18 - Step 4: Simplify right side
145,866,240.02x = 16,060,398,940,801,028 - Step 5: Solve for x
x = 16,060,398,940,801,028/145,866,240.02 - Step 6: Final answer
x = 110,103,605.46
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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.