Finding the Fourth Proportional to 46,729,553.36, 69,979,867.32 and 38,592,746.96
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Solution
The fourth proportional to 46,729,553.36, 69,979,867.32 and 38,592,746.96 is: 57,794,588.60
Step by Step Solution
- Step 1: Write the proportion equation
46,729,553.36 : 69,979,867.32 = 38,592,746.96 : x - Step 2: Convert to fraction form
46,729,553.36/69,979,867.32 = 38,592,746.96/x - Step 3: Cross multiply
46,729,553.36x = 69,979,867.32 × 38,592,746.96 - Step 4: Simplify right side
46,729,553.36x = 2,700,715,311,775,133 - Step 5: Solve for x
x = 2,700,715,311,775,133/46,729,553.36 - Step 6: Final answer
x = 57,794,588.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.