Finding the Fourth Proportional to 101,498,753.57, 139,529,794.68 and 87,318,192.11
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Solution
The fourth proportional to 101,498,753.57, 139,529,794.68 and 87,318,192.11 is: 120,035,852.54
Step by Step Solution
- Step 1: Write the proportion equation
101,498,753.57 : 139,529,794.68 = 87,318,192.11 : x - Step 2: Convert to fraction form
101,498,753.57/139,529,794.68 = 87,318,192.11/x - Step 3: Cross multiply
101,498,753.57x = 139,529,794.68 × 87,318,192.11 - Step 4: Simplify right side
101,498,753.57x = 12,183,489,416,239,448 - Step 5: Solve for x
x = 12,183,489,416,239,448/101,498,753.57 - Step 6: Final answer
x = 120,035,852.54
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.