Finding the Fourth Proportional to 178,153,959.63, 267,165,392.63 and 61,539,638.79
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Solution
The fourth proportional to 178,153,959.63, 267,165,392.63 and 61,539,638.79 is: 92,286,816.38
Step by Step Solution
- Step 1: Write the proportion equation
178,153,959.63 : 267,165,392.63 = 61,539,638.79 : x - Step 2: Convert to fraction form
178,153,959.63/267,165,392.63 = 61,539,638.79/x - Step 3: Cross multiply
178,153,959.63x = 267,165,392.63 × 61,539,638.79 - Step 4: Simplify right side
178,153,959.63x = 16,441,261,759,331,030 - Step 5: Solve for x
x = 16,441,261,759,331,030/178,153,959.63 - Step 6: Final answer
x = 92,286,816.38
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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.