Finding the Fourth Proportional to 112,202,117,151.81, 154,839,070,988.92 and 60,760,765,777.99
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Solution
The fourth proportional to 112,202,117,151.81, 154,839,070,988.92 and 60,760,765,777.99 is: 83,849,937,634.51
Step by Step Solution
- Step 1: Write the proportion equation
112,202,117,151.81 : 154,839,070,988.92 = 60,760,765,777.99 : x - Step 2: Convert to fraction form
112,202,117,151.81/154,839,070,988.92 = 60,760,765,777.99/x - Step 3: Cross multiply
112,202,117,151.81x = 154,839,070,988.92 × 60,760,765,777.99 - Step 4: Simplify right side
112,202,117,151.81x = 9,408,140,525,639,334,625,280 - Step 5: Solve for x
x = 9,408,140,525,639,334,625,280/112,202,117,151.81 - Step 6: Final answer
x = 83,849,937,634.51
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1.5x scale
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.