Finding the Fourth Proportional to 104,177,419.22, 143,767,478.26 and 57,136,365.62
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Solution
The fourth proportional to 104,177,419.22, 143,767,478.26 and 57,136,365.62 is: 78,849,632.32
Step by Step Solution
- Step 1: Write the proportion equation
104,177,419.22 : 143,767,478.26 = 57,136,365.62 : x - Step 2: Convert to fraction form
104,177,419.22/143,767,478.26 = 57,136,365.62/x - Step 3: Cross multiply
104,177,419.22x = 143,767,478.26 × 57,136,365.62 - Step 4: Simplify right side
104,177,419.22x = 8,214,351,201,267,083 - Step 5: Solve for x
x = 8,214,351,201,267,083/104,177,419.22 - Step 6: Final answer
x = 78,849,632.32
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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.