Finding the Fourth Proportional to 62,272,871.28, 85,936,714.29 and 34,771,783.68
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Solution
The fourth proportional to 62,272,871.28, 85,936,714.29 and 34,771,783.68 is: 47,985,146.31
Step by Step Solution
- Step 1: Write the proportion equation
62,272,871.28 : 85,936,714.29 = 34,771,783.68 : x - Step 2: Convert to fraction form
62,272,871.28/85,936,714.29 = 34,771,783.68/x - Step 3: Cross multiply
62,272,871.28x = 85,936,714.29 × 34,771,783.68 - Step 4: Simplify right side
62,272,871.28x = 2,988,172,839,461,845 - Step 5: Solve for x
x = 2,988,172,839,461,845/62,272,871.28 - Step 6: Final answer
x = 47,985,146.31
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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.