Finding the Fourth Proportional to 79,777,762.16, 119,720,492.64 and 31,249,599.02
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Solution
The fourth proportional to 79,777,762.16, 119,720,492.64 and 31,249,599.02 is: 46,895,491.78
Step by Step Solution
- Step 1: Write the proportion equation
79,777,762.16 : 119,720,492.64 = 31,249,599.02 : x - Step 2: Convert to fraction form
79,777,762.16/119,720,492.64 = 31,249,599.02/x - Step 3: Cross multiply
79,777,762.16x = 119,720,492.64 × 31,249,599.02 - Step 4: Simplify right side
79,777,762.16x = 3,741,217,389,476,861 - Step 5: Solve for x
x = 3,741,217,389,476,861/79,777,762.16 - Step 6: Final answer
x = 46,895,491.78
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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.