Finding the Fourth Proportional to 68,509,615.91, 94,545,128.96 and 38,744,714.97
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Solution
The fourth proportional to 68,509,615.91, 94,545,128.96 and 38,744,714.97 is: 53,468,758.00
Step by Step Solution
- Step 1: Write the proportion equation
68,509,615.91 : 94,545,128.96 = 38,744,714.97 : x - Step 2: Convert to fraction form
68,509,615.91/94,545,128.96 = 38,744,714.97/x - Step 3: Cross multiply
68,509,615.91x = 94,545,128.96 × 38,744,714.97 - Step 4: Simplify right side
68,509,615.91x = 3,663,124,073,163,369 - Step 5: Solve for x
x = 3,663,124,073,163,369/68,509,615.91 - Step 6: Final answer
x = 53,468,758.00
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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.