Finding the Fourth Proportional to 84,973,149.04, 117,256,238.20 and 47,796,027.81
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Solution
The fourth proportional to 84,973,149.04, 117,256,238.20 and 47,796,027.81 is: 65,954,745.53
Step by Step Solution
- Step 1: Write the proportion equation
84,973,149.04 : 117,256,238.20 = 47,796,027.81 : x - Step 2: Convert to fraction form
84,973,149.04/117,256,238.20 = 47,796,027.81/x - Step 3: Cross multiply
84,973,149.04x = 117,256,238.20 × 47,796,027.81 - Step 4: Simplify right side
84,973,149.04x = 5,604,382,422,182,785 - Step 5: Solve for x
x = 5,604,382,422,182,785/84,973,149.04 - Step 6: Final answer
x = 65,954,745.53
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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.