Finding the Fourth Proportional to 128,535,224.24, 177,376,075.97 and 75,617,650.97
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Solution
The fourth proportional to 128,535,224.24, 177,376,075.97 and 75,617,650.97 is: 104,350,867.88
Step by Step Solution
- Step 1: Write the proportion equation
128,535,224.24 : 177,376,075.97 = 75,617,650.97 : x - Step 2: Convert to fraction form
128,535,224.24/177,376,075.97 = 75,617,650.97/x - Step 3: Cross multiply
128,535,224.24x = 177,376,075.97 × 75,617,650.97 - Step 4: Simplify right side
128,535,224.24x = 13,412,762,201,862,696 - Step 5: Solve for x
x = 13,412,762,201,862,696/128,535,224.24 - Step 6: Final answer
x = 104,350,867.88
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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.