Finding the Fourth Proportional to 121,642,712.10, 182,448,851.09 and 39,754,739.88
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Solution
The fourth proportional to 121,642,712.10, 182,448,851.09 and 39,754,739.88 is: 59,627,136.65
Step by Step Solution
- Step 1: Write the proportion equation
121,642,712.10 : 182,448,851.09 = 39,754,739.88 : x - Step 2: Convert to fraction form
121,642,712.10/182,448,851.09 = 39,754,739.88/x - Step 3: Cross multiply
121,642,712.10x = 182,448,851.09 × 39,754,739.88 - Step 4: Simplify right side
121,642,712.10x = 7,253,206,616,289,032 - Step 5: Solve for x
x = 7,253,206,616,289,032/121,642,712.10 - Step 6: Final answer
x = 59,627,136.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.