Finding the Fourth Proportional to 49,981,515.35, 68,973,981.23 and 27,954,962.19
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Solution
The fourth proportional to 49,981,515.35, 68,973,981.23 and 27,954,962.19 is: 38,577,562.61
Step by Step Solution
- Step 1: Write the proportion equation
49,981,515.35 : 68,973,981.23 = 27,954,962.19 : x - Step 2: Convert to fraction form
49,981,515.35/68,973,981.23 = 27,954,962.19/x - Step 3: Cross multiply
49,981,515.35x = 68,973,981.23 × 27,954,962.19 - Step 4: Simplify right side
49,981,515.35x = 1,928,165,037,448,307.25 - Step 5: Solve for x
x = 1,928,165,037,448,307.25/49,981,515.35 - Step 6: Final answer
x = 38,577,562.61
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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.