Finding the Fourth Proportional to 83,649,238.51, 115,430,888.73 and 46,478,247.79
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Solution
The fourth proportional to 83,649,238.51, 115,430,888.73 and 46,478,247.79 is: 64,137,170.22
Step by Step Solution
- Step 1: Write the proportion equation
83,649,238.51 : 115,430,888.73 = 46,478,247.79 : x - Step 2: Convert to fraction form
83,649,238.51/115,430,888.73 = 46,478,247.79/x - Step 3: Cross multiply
83,649,238.51x = 115,430,888.73 × 46,478,247.79 - Step 4: Simplify right side
83,649,238.51x = 5,365,025,449,012,858 - Step 5: Solve for x
x = 5,365,025,449,012,858/83,649,238.51 - Step 6: Final answer
x = 64,137,170.22
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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.