Finding the Fourth Proportional to 83,580,514.20, 125,370,771.30 and 26,072,693.10
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Solution
The fourth proportional to 83,580,514.20, 125,370,771.30 and 26,072,693.10 is: 39,109,039.65
Step by Step Solution
- Step 1: Write the proportion equation
83,580,514.20 : 125,370,771.30 = 26,072,693.10 : x - Step 2: Convert to fraction form
83,580,514.20/125,370,771.30 = 26,072,693.10/x - Step 3: Cross multiply
83,580,514.20x = 125,370,771.30 × 26,072,693.10 - Step 4: Simplify right side
83,580,514.20x = 3,268,753,643,815,188 - Step 5: Solve for x
x = 3,268,753,643,815,188/83,580,514.20 - Step 6: Final answer
x = 39,109,039.65
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Double scale
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Similar ratio
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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.