Finding the Fourth Proportional to 54,837,819.03, 81,766,463.95 and 53,331,183.80
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Solution
The fourth proportional to 54,837,819.03, 81,766,463.95 and 53,331,183.80 is: 79,519,980.82
Step by Step Solution
- Step 1: Write the proportion equation
54,837,819.03 : 81,766,463.95 = 53,331,183.80 : x - Step 2: Convert to fraction form
54,837,819.03/81,766,463.95 = 53,331,183.80/x - Step 3: Cross multiply
54,837,819.03x = 81,766,463.95 × 53,331,183.80 - Step 4: Simplify right side
54,837,819.03x = 4,360,702,317,593,524 - Step 5: Solve for x
x = 4,360,702,317,593,524/54,837,819.03 - Step 6: Final answer
x = 79,519,980.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.