Finding the Fourth Proportional to 329,149,234.80, 493,708,105.80 and 110,778,159.60
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Solution
The fourth proportional to 329,149,234.80, 493,708,105.80 and 110,778,159.60 is: 166,161,939.81
Step by Step Solution
- Step 1: Write the proportion equation
329,149,234.80 : 493,708,105.80 = 110,778,159.60 : x - Step 2: Convert to fraction form
329,149,234.80/493,708,105.80 = 110,778,159.60/x - Step 3: Cross multiply
329,149,234.80x = 493,708,105.80 × 110,778,159.60 - Step 4: Simplify right side
329,149,234.80x = 54,692,075,340,126,088 - Step 5: Solve for x
x = 54,692,075,340,126,088/329,149,234.80 - Step 6: Final answer
x = 166,161,939.81
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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.