Finding the Fourth Proportional to 84,230,201.70, 126,345,302.55 and 23,645,927.70
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Solution
The fourth proportional to 84,230,201.70, 126,345,302.55 and 23,645,927.70 is: 35,468,891.55
Step by Step Solution
- Step 1: Write the proportion equation
84,230,201.70 : 126,345,302.55 = 23,645,927.70 : x - Step 2: Convert to fraction form
84,230,201.70/126,345,302.55 = 23,645,927.70/x - Step 3: Cross multiply
84,230,201.70x = 126,345,302.55 × 23,645,927.70 - Step 4: Simplify right side
84,230,201.70x = 2,987,551,889,331,925.50 - Step 5: Solve for x
x = 2,987,551,889,331,925.50/84,230,201.70 - Step 6: Final answer
x = 35,468,891.55
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1.5x scale
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.