Finding the Fourth Proportional to 52,771,395.54, 79,167,037.68 and 19,991,782.98
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Solution
The fourth proportional to 52,771,395.54, 79,167,037.68 and 19,991,782.98 is: 29,991,441.77
Step by Step Solution
- Step 1: Write the proportion equation
52,771,395.54 : 79,167,037.68 = 19,991,782.98 : x - Step 2: Convert to fraction form
52,771,395.54/79,167,037.68 = 19,991,782.98/x - Step 3: Cross multiply
52,771,395.54x = 79,167,037.68 × 19,991,782.98 - Step 4: Simplify right side
52,771,395.54x = 1,582,690,236,468,042.75 - Step 5: Solve for x
x = 1,582,690,236,468,042.75/52,771,395.54 - Step 6: Final answer
x = 29,991,441.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.