Finding the Fourth Proportional to 78,176,244.25, 107,883,344.16 and 43,368,935.79
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Solution
The fourth proportional to 78,176,244.25, 107,883,344.16 and 43,368,935.79 is: 59,849,201.90
Step by Step Solution
- Step 1: Write the proportion equation
78,176,244.25 : 107,883,344.16 = 43,368,935.79 : x - Step 2: Convert to fraction form
78,176,244.25/107,883,344.16 = 43,368,935.79/x - Step 3: Cross multiply
78,176,244.25x = 107,883,344.16 × 43,368,935.79 - Step 4: Simplify right side
78,176,244.25x = 4,678,785,825,685,511 - Step 5: Solve for x
x = 4,678,785,825,685,511/78,176,244.25 - Step 6: Final answer
x = 59,849,201.90
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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.