Finding the Fourth Proportional to 84,159,079.92, 116,138,388.60 and 46,989,931.68
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Solution
The fourth proportional to 84,159,079.92, 116,138,388.60 and 46,989,931.68 is: 64,845,468.26
Step by Step Solution
- Step 1: Write the proportion equation
84,159,079.92 : 116,138,388.60 = 46,989,931.68 : x - Step 2: Convert to fraction form
84,159,079.92/116,138,388.60 = 46,989,931.68/x - Step 3: Cross multiply
84,159,079.92x = 116,138,388.60 × 46,989,931.68 - Step 4: Simplify right side
84,159,079.92x = 5,457,334,945,739,291 - Step 5: Solve for x
x = 5,457,334,945,739,291/84,159,079.92 - Step 6: Final answer
x = 64,845,468.26
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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.