Finding the Fourth Proportional to 144,559,080,230.47, 199,493,338,428.17 and 79,460,614,943.36
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Solution
The fourth proportional to 144,559,080,230.47, 199,493,338,428.17 and 79,460,614,943.36 is: 109,656,642,276.17
Step by Step Solution
- Step 1: Write the proportion equation
144,559,080,230.47 : 199,493,338,428.17 = 79,460,614,943.36 : x - Step 2: Convert to fraction form
144,559,080,230.47/199,493,338,428.17 = 79,460,614,943.36/x - Step 3: Cross multiply
144,559,080,230.47x = 199,493,338,428.17 × 79,460,614,943.36 - Step 4: Simplify right side
144,559,080,230.47x = 15,851,863,348,605,221,863,424 - Step 5: Solve for x
x = 15,851,863,348,605,221,863,424/144,559,080,230.47 - Step 6: Final answer
x = 109,656,642,276.17
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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.