Finding the Fourth Proportional to 53,407,337.31, 73,705,214.39 and 29,885,668.74
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Solution
The fourth proportional to 53,407,337.31, 73,705,214.39 and 29,885,668.74 is: 41,243,951.35
Step by Step Solution
- Step 1: Write the proportion equation
53,407,337.31 : 73,705,214.39 = 29,885,668.74 : x - Step 2: Convert to fraction form
53,407,337.31/73,705,214.39 = 29,885,668.74/x - Step 3: Cross multiply
53,407,337.31x = 73,705,214.39 × 29,885,668.74 - Step 4: Simplify right side
53,407,337.31x = 2,202,729,621,520,792.75 - Step 5: Solve for x
x = 2,202,729,621,520,792.75/53,407,337.31 - Step 6: Final answer
x = 41,243,951.35
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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.