Finding the Fourth Proportional to 74,416,156.98, 111,639,135.58 and 41,673,289.44
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Solution
The fourth proportional to 74,416,156.98, 111,639,135.58 and 41,673,289.44 is: 62,518,278.27
Step by Step Solution
- Step 1: Write the proportion equation
74,416,156.98 : 111,639,135.58 = 41,673,289.44 : x - Step 2: Convert to fraction form
74,416,156.98/111,639,135.58 = 41,673,289.44/x - Step 3: Cross multiply
74,416,156.98x = 111,639,135.58 × 41,673,289.44 - Step 4: Simplify right side
74,416,156.98x = 4,652,370,009,856,742 - Step 5: Solve for x
x = 4,652,370,009,856,742/74,416,156.98 - Step 6: Final answer
x = 62,518,278.27
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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.