Finding the Fourth Proportional to 312,273,629.19, 430,940,158.88 and 173,046,715.47
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Solution
The fourth proportional to 312,273,629.19, 430,940,158.88 and 173,046,715.47 is: 238,805,880.76
Step by Step Solution
- Step 1: Write the proportion equation
312,273,629.19 : 430,940,158.88 = 173,046,715.47 : x - Step 2: Convert to fraction form
312,273,629.19/430,940,158.88 = 173,046,715.47/x - Step 3: Cross multiply
312,273,629.19x = 430,940,158.88 × 173,046,715.47 - Step 4: Simplify right side
312,273,629.19x = 74,572,779,057,438,720 - Step 5: Solve for x
x = 74,572,779,057,438,720/312,273,629.19 - Step 6: Final answer
x = 238,805,880.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.