Finding the Fourth Proportional to 56,477,905.10, 84,716,857.65 and 39,259,216.70
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Solution
The fourth proportional to 56,477,905.10, 84,716,857.65 and 39,259,216.70 is: 58,888,825.05
Step by Step Solution
- Step 1: Write the proportion equation
56,477,905.10 : 84,716,857.65 = 39,259,216.70 : x - Step 2: Convert to fraction form
56,477,905.10/84,716,857.65 = 39,259,216.70/x - Step 3: Cross multiply
56,477,905.10x = 84,716,857.65 × 39,259,216.70 - Step 4: Simplify right side
56,477,905.10x = 3,325,917,472,624,403 - Step 5: Solve for x
x = 3,325,917,472,624,403/56,477,905.10 - Step 6: Final answer
x = 58,888,825.05
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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.