Finding the Fourth Proportional to 83,862,144.06, 115,729,521.75 and 47,192,714.70
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Solution
The fourth proportional to 83,862,144.06, 115,729,521.75 and 47,192,714.70 is: 65,125,812.89
Step by Step Solution
- Step 1: Write the proportion equation
83,862,144.06 : 115,729,521.75 = 47,192,714.70 : x - Step 2: Convert to fraction form
83,862,144.06/115,729,521.75 = 47,192,714.70/x - Step 3: Cross multiply
83,862,144.06x = 115,729,521.75 × 47,192,714.70 - Step 4: Simplify right side
83,862,144.06x = 5,461,590,302,315,195 - Step 5: Solve for x
x = 5,461,590,302,315,195/83,862,144.06 - Step 6: Final answer
x = 65,125,812.89
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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.