Finding the Fourth Proportional to 105,023,792.70, 157,529,994.35 and 32,240,585.79
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Solution
The fourth proportional to 105,023,792.70, 157,529,994.35 and 32,240,585.79 is: 48,359,130.50
Step by Step Solution
- Step 1: Write the proportion equation
105,023,792.70 : 157,529,994.35 = 32,240,585.79 : x - Step 2: Convert to fraction form
105,023,792.70/157,529,994.35 = 32,240,585.79/x - Step 3: Cross multiply
105,023,792.70x = 157,529,994.35 × 32,240,585.79 - Step 4: Simplify right side
105,023,792.70x = 5,078,859,297,178,187 - Step 5: Solve for x
x = 5,078,859,297,178,187/105,023,792.70 - Step 6: Final answer
x = 48,359,130.50
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1.5x scale
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.