Finding the Fourth Proportional to 84,800,842.56, 117,026,213.76 and 47,639,240.10
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Solution
The fourth proportional to 84,800,842.56, 117,026,213.76 and 47,639,240.10 is: 65,742,741.78
Step by Step Solution
- Step 1: Write the proportion equation
84,800,842.56 : 117,026,213.76 = 47,639,240.10 : x - Step 2: Convert to fraction form
84,800,842.56/117,026,213.76 = 47,639,240.10/x - Step 3: Cross multiply
84,800,842.56x = 117,026,213.76 × 47,639,240.10 - Step 4: Simplify right side
84,800,842.56x = 5,575,039,895,306,564 - Step 5: Solve for x
x = 5,575,039,895,306,564/84,800,842.56 - Step 6: Final answer
x = 65,742,741.78
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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.