Finding the Fourth Proportional to 82,326,176.96, 113,743,569.75 and 70,065,833.09
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Solution
The fourth proportional to 82,326,176.96, 113,743,569.75 and 70,065,833.09 is: 96,804,421.96
Step by Step Solution
- Step 1: Write the proportion equation
82,326,176.96 : 113,743,569.75 = 70,065,833.09 : x - Step 2: Convert to fraction form
82,326,176.96/113,743,569.75 = 70,065,833.09/x - Step 3: Cross multiply
82,326,176.96x = 113,743,569.75 × 70,065,833.09 - Step 4: Simplify right side
82,326,176.96x = 7,969,537,973,164,273 - Step 5: Solve for x
x = 7,969,537,973,164,273/82,326,176.96 - Step 6: Final answer
x = 96,804,421.96
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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.