Finding the Fourth Proportional to 86,335,339,382.42, 119,134,772,841.90 and 47,753,428,873.65
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Solution
The fourth proportional to 86,335,339,382.42, 119,134,772,841.90 and 47,753,428,873.65 is: 65,895,309,406.09
Step by Step Solution
- Step 1: Write the proportion equation
86,335,339,382.42 : 119,134,772,841.90 = 47,753,428,873.65 : x - Step 2: Convert to fraction form
86,335,339,382.42/119,134,772,841.90 = 47,753,428,873.65/x - Step 3: Cross multiply
86,335,339,382.42x = 119,134,772,841.90 × 47,753,428,873.65 - Step 4: Simplify right side
86,335,339,382.42x = 5,689,093,901,284,120,985,600 - Step 5: Solve for x
x = 5,689,093,901,284,120,985,600/86,335,339,382.42 - Step 6: Final answer
x = 65,895,309,406.09
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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.