Finding the Fourth Proportional to 48,857,116.73, 67,437,935.57 and 31,453,448.09
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Solution
The fourth proportional to 48,857,116.73, 67,437,935.57 and 31,453,448.09 is: 43,415,488.83
Step by Step Solution
- Step 1: Write the proportion equation
48,857,116.73 : 67,437,935.57 = 31,453,448.09 : x - Step 2: Convert to fraction form
48,857,116.73/67,437,935.57 = 31,453,448.09/x - Step 3: Cross multiply
48,857,116.73x = 67,437,935.57 × 31,453,448.09 - Step 4: Simplify right side
48,857,116.73x = 2,121,155,605,489,203.75 - Step 5: Solve for x
x = 2,121,155,605,489,203.75/48,857,116.73 - Step 6: Final answer
x = 43,415,488.83
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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.