Finding the Fourth Proportional to 84,347,742.52, 116,410,664.70 and 47,180,088.28
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Solution
The fourth proportional to 84,347,742.52, 116,410,664.70 and 47,180,088.28 is: 65,114,551.65
Step by Step Solution
- Step 1: Write the proportion equation
84,347,742.52 : 116,410,664.70 = 47,180,088.28 : x - Step 2: Convert to fraction form
84,347,742.52/116,410,664.70 = 47,180,088.28/x - Step 3: Cross multiply
84,347,742.52x = 116,410,664.70 × 47,180,088.28 - Step 4: Simplify right side
84,347,742.52x = 5,492,265,437,279,480 - Step 5: Solve for x
x = 5,492,265,437,279,480/84,347,742.52 - Step 6: Final answer
x = 65,114,551.65
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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.