Finding the Fourth Proportional to 195,783,430.96, 293,410,598.82 and 74,548,748.08
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Solution
The fourth proportional to 195,783,430.96, 293,410,598.82 and 74,548,748.08 is: 111,722,389.93
Step by Step Solution
- Step 1: Write the proportion equation
195,783,430.96 : 293,410,598.82 = 74,548,748.08 : x - Step 2: Convert to fraction form
195,783,430.96/293,410,598.82 = 74,548,748.08/x - Step 3: Cross multiply
195,783,430.96x = 293,410,598.82 × 74,548,748.08 - Step 4: Simplify right side
195,783,430.96x = 21,873,392,815,434,124 - Step 5: Solve for x
x = 21,873,392,815,434,124/195,783,430.96 - Step 6: Final answer
x = 111,722,389.93
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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.