Finding the Fourth Proportional to 316,879,029.67, 474,983,072.37 and 106,589,523.63
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Solution
The fourth proportional to 316,879,029.67, 474,983,072.37 and 106,589,523.63 is: 159,771,441.70
Step by Step Solution
- Step 1: Write the proportion equation
316,879,029.67 : 474,983,072.37 = 106,589,523.63 : x - Step 2: Convert to fraction form
316,879,029.67/474,983,072.37 = 106,589,523.63/x - Step 3: Cross multiply
316,879,029.67x = 474,983,072.37 × 106,589,523.63 - Step 4: Simplify right side
316,879,029.67x = 50,628,219,416,232,112 - Step 5: Solve for x
x = 50,628,219,416,232,112/316,879,029.67 - Step 6: Final answer
x = 159,771,441.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.