Finding the Fourth Proportional to 62,671,054.42, 86,486,368.17 and 39,163,241.71
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Solution
The fourth proportional to 62,671,054.42, 86,486,368.17 and 39,163,241.71 is: 54,045,469.20
Step by Step Solution
- Step 1: Write the proportion equation
62,671,054.42 : 86,486,368.17 = 39,163,241.71 : x - Step 2: Convert to fraction form
62,671,054.42/86,486,368.17 = 39,163,241.71/x - Step 3: Cross multiply
62,671,054.42x = 86,486,368.17 × 39,163,241.71 - Step 4: Simplify right side
62,671,054.42x = 3,387,086,541,261,760.50 - Step 5: Solve for x
x = 3,387,086,541,261,760.50/62,671,054.42 - Step 6: Final answer
x = 54,045,469.20
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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.