Finding the Fourth Proportional to 91,107,017.39, 125,613,636.72 and 76,040,894.63
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Solution
The fourth proportional to 91,107,017.39, 125,613,636.72 and 76,040,894.63 is: 104,841,247.00
Step by Step Solution
- Step 1: Write the proportion equation
91,107,017.39 : 125,613,636.72 = 76,040,894.63 : x - Step 2: Convert to fraction form
91,107,017.39/125,613,636.72 = 76,040,894.63/x - Step 3: Cross multiply
91,107,017.39x = 125,613,636.72 × 76,040,894.63 - Step 4: Simplify right side
91,107,017.39x = 9,551,773,313,916,618 - Step 5: Solve for x
x = 9,551,773,313,916,618/91,107,017.39 - Step 6: Final answer
x = 104,841,247.00
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1.5x scale
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.