Finding the Fourth Proportional to 104,177,415.47, 143,767,473.08 and 57,136,361.92
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Solution
The fourth proportional to 104,177,415.47, 143,767,473.08 and 57,136,361.92 is: 78,849,627.21
Step by Step Solution
- Step 1: Write the proportion equation
104,177,415.47 : 143,767,473.08 = 57,136,361.92 : x - Step 2: Convert to fraction form
104,177,415.47/143,767,473.08 = 57,136,361.92/x - Step 3: Cross multiply
104,177,415.47x = 143,767,473.08 × 57,136,361.92 - Step 4: Simplify right side
104,177,415.47x = 8,214,350,373,577,635 - Step 5: Solve for x
x = 8,214,350,373,577,635/104,177,415.47 - Step 6: Final answer
x = 78,849,627.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.