Finding the Fourth Proportional to 177,292,643.52, 244,729,135.72 and 106,731,533.42
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Solution
The fourth proportional to 177,292,643.52, 244,729,135.72 and 106,731,533.42 is: 147,328,819.79
Step by Step Solution
- Step 1: Write the proportion equation
177,292,643.52 : 244,729,135.72 = 106,731,533.42 : x - Step 2: Convert to fraction form
177,292,643.52/244,729,135.72 = 106,731,533.42/x - Step 3: Cross multiply
177,292,643.52x = 244,729,135.72 × 106,731,533.42 - Step 4: Simplify right side
177,292,643.52x = 26,120,315,927,946,896 - Step 5: Solve for x
x = 26,120,315,927,946,896/177,292,643.52 - Step 6: Final answer
x = 147,328,819.79
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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.