Finding the Fourth Proportional to 53,165,511.52, 73,368,471.36 and 28,719,225.52
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Solution
The fourth proportional to 53,165,511.52, 73,368,471.36 and 28,719,225.52 is: 39,632,566.58
Step by Step Solution
- Step 1: Write the proportion equation
53,165,511.52 : 73,368,471.36 = 28,719,225.52 : x - Step 2: Convert to fraction form
53,165,511.52/73,368,471.36 = 28,719,225.52/x - Step 3: Cross multiply
53,165,511.52x = 73,368,471.36 × 28,719,225.52 - Step 4: Simplify right side
53,165,511.52x = 2,107,085,675,045,501 - Step 5: Solve for x
x = 2,107,085,675,045,501/53,165,511.52 - Step 6: Final answer
x = 39,632,566.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.