Finding the Fourth Proportional to 70,589,025.32, 97,415,217.83 and 39,228,396.26
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Solution
The fourth proportional to 70,589,025.32, 97,415,217.83 and 39,228,396.26 is: 54,136,499.96
Step by Step Solution
- Step 1: Write the proportion equation
70,589,025.32 : 97,415,217.83 = 39,228,396.26 : x - Step 2: Convert to fraction form
70,589,025.32/97,415,217.83 = 39,228,396.26/x - Step 3: Cross multiply
70,589,025.32x = 97,415,217.83 × 39,228,396.26 - Step 4: Simplify right side
70,589,025.32x = 3,821,442,766,593,315 - Step 5: Solve for x
x = 3,821,442,766,593,315/70,589,025.32 - Step 6: Final answer
x = 54,136,499.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.