Finding the Fourth Proportional to 54,320,302.70, 81,480,454.05 and 28,811,134.70
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Solution
The fourth proportional to 54,320,302.70, 81,480,454.05 and 28,811,134.70 is: 43,216,702.05
Step by Step Solution
- Step 1: Write the proportion equation
54,320,302.70 : 81,480,454.05 = 28,811,134.70 : x - Step 2: Convert to fraction form
54,320,302.70/81,480,454.05 = 28,811,134.70/x - Step 3: Cross multiply
54,320,302.70x = 81,480,454.05 × 28,811,134.70 - Step 4: Simplify right side
54,320,302.70x = 2,347,544,337,051,710.50 - Step 5: Solve for x
x = 2,347,544,337,051,710.50/54,320,302.70 - Step 6: Final answer
x = 43,216,702.05
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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.