Finding the Fourth Proportional to 56,935,826.20, 85,403,739.30 and 54,148,907.80
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Solution
The fourth proportional to 56,935,826.20, 85,403,739.30 and 54,148,907.80 is: 81,223,361.70
Step by Step Solution
- Step 1: Write the proportion equation
56,935,826.20 : 85,403,739.30 = 54,148,907.80 : x - Step 2: Convert to fraction form
56,935,826.20/85,403,739.30 = 54,148,907.80/x - Step 3: Cross multiply
56,935,826.20x = 85,403,739.30 × 54,148,907.80 - Step 4: Simplify right side
56,935,826.20x = 4,624,519,205,130,936 - Step 5: Solve for x
x = 4,624,519,205,130,936/56,935,826.20 - Step 6: Final answer
x = 81,223,361.70
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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.