Finding the Fourth Proportional to 79,625,060.84, 109,860,378.37 and 51,355,471.77
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Solution
The fourth proportional to 79,625,060.84, 109,860,378.37 and 51,355,471.77 is: 70,856,229.18
Step by Step Solution
- Step 1: Write the proportion equation
79,625,060.84 : 109,860,378.37 = 51,355,471.77 : x - Step 2: Convert to fraction form
79,625,060.84/109,860,378.37 = 51,355,471.77/x - Step 3: Cross multiply
79,625,060.84x = 109,860,378.37 × 51,355,471.77 - Step 4: Simplify right side
79,625,060.84x = 5,641,931,559,893,666 - Step 5: Solve for x
x = 5,641,931,559,893,666/79,625,060.84 - Step 6: Final answer
x = 70,856,229.18
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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.