Finding the Fourth Proportional to 195,761,709.99, 270,158,097.83 and 107,662,521.15
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Solution
The fourth proportional to 195,761,709.99, 270,158,097.83 and 107,662,521.15 is: 148,578,094.88
Step by Step Solution
- Step 1: Write the proportion equation
195,761,709.99 : 270,158,097.83 = 107,662,521.15 : x - Step 2: Convert to fraction form
195,761,709.99/270,158,097.83 = 107,662,521.15/x - Step 3: Cross multiply
195,761,709.99x = 270,158,097.83 × 107,662,521.15 - Step 4: Simplify right side
195,761,709.99x = 29,085,901,920,927,832 - Step 5: Solve for x
x = 29,085,901,920,927,832/195,761,709.99 - Step 6: Final answer
x = 148,578,094.88
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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.