Finding the Fourth Proportional to 85,622,984.40, 118,159,719.26 and 46,464,761.09
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Solution
The fourth proportional to 85,622,984.40, 118,159,719.26 and 46,464,761.09 is: 64,121,370.72
Step by Step Solution
- Step 1: Write the proportion equation
85,622,984.40 : 118,159,719.26 = 46,464,761.09 : x - Step 2: Convert to fraction form
85,622,984.40/118,159,719.26 = 46,464,761.09/x - Step 3: Cross multiply
85,622,984.40x = 118,159,719.26 × 46,464,761.09 - Step 4: Simplify right side
85,622,984.40x = 5,490,263,125,054,249 - Step 5: Solve for x
x = 5,490,263,125,054,249/85,622,984.40 - Step 6: Final answer
x = 64,121,370.72
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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.