Finding the Fourth Proportional to 291,466,504.53, 437,135,266.17 and 84,159,916.11
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Solution
The fourth proportional to 291,466,504.53, 437,135,266.17 and 84,159,916.11 is: 126,221,252.73
Step by Step Solution
- Step 1: Write the proportion equation
291,466,504.53 : 437,135,266.17 = 84,159,916.11 : x - Step 2: Convert to fraction form
291,466,504.53/437,135,266.17 = 84,159,916.11/x - Step 3: Cross multiply
291,466,504.53x = 437,135,266.17 × 84,159,916.11 - Step 4: Simplify right side
291,466,504.53x = 36,789,267,329,589,720 - Step 5: Solve for x
x = 36,789,267,329,589,720/291,466,504.53 - Step 6: Final answer
x = 126,221,252.73
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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.