Finding the Fourth Proportional to 341,635,541.70, 512,453,312.55 and 157,402,661.70
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Solution
The fourth proportional to 341,635,541.70, 512,453,312.55 and 157,402,661.70 is: 236,103,992.55
Step by Step Solution
- Step 1: Write the proportion equation
341,635,541.70 : 512,453,312.55 = 157,402,661.70 : x - Step 2: Convert to fraction form
341,635,541.70/512,453,312.55 = 157,402,661.70/x - Step 3: Cross multiply
341,635,541.70x = 512,453,312.55 × 157,402,661.70 - Step 4: Simplify right side
341,635,541.70x = 80,661,515,392,352,016 - Step 5: Solve for x
x = 80,661,515,392,352,016/341,635,541.70 - Step 6: Final answer
x = 236,103,992.55
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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.