Finding the Fourth Proportional to 82,207,186.98, 113,445,878.58 and 49,167,435.48
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Solution
The fourth proportional to 82,207,186.98, 113,445,878.58 and 49,167,435.48 is: 67,851,037.37
Step by Step Solution
- Step 1: Write the proportion equation
82,207,186.98 : 113,445,878.58 = 49,167,435.48 : x - Step 2: Convert to fraction form
82,207,186.98/113,445,878.58 = 49,167,435.48/x - Step 3: Cross multiply
82,207,186.98x = 113,445,878.58 × 49,167,435.48 - Step 4: Simplify right side
82,207,186.98x = 5,577,842,915,554,064 - Step 5: Solve for x
x = 5,577,842,915,554,064/82,207,186.98 - Step 6: Final answer
x = 67,851,037.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.