Finding the Fourth Proportional to 120,963,905.70, 181,445,858.55 and 44,261,441.70
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Solution
The fourth proportional to 120,963,905.70, 181,445,858.55 and 44,261,441.70 is: 66,392,162.55
Step by Step Solution
- Step 1: Write the proportion equation
120,963,905.70 : 181,445,858.55 = 44,261,441.70 : x - Step 2: Convert to fraction form
120,963,905.70/181,445,858.55 = 44,261,441.70/x - Step 3: Cross multiply
120,963,905.70x = 181,445,858.55 × 44,261,441.70 - Step 4: Simplify right side
120,963,905.70x = 8,031,055,289,917,273 - Step 5: Solve for x
x = 8,031,055,289,917,273/120,963,905.70 - Step 6: Final answer
x = 66,392,162.55
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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.