Finding the Fourth Proportional to 99,577,293,759.92, 137,417,079,407.94 and 53,851,569,169.12
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Solution
The fourth proportional to 99,577,293,759.92, 137,417,079,407.94 and 53,851,569,169.12 is: 74,315,389,355.69
Step by Step Solution
- Step 1: Write the proportion equation
99,577,293,759.92 : 137,417,079,407.94 = 53,851,569,169.12 : x - Step 2: Convert to fraction form
99,577,293,759.92/137,417,079,407.94 = 53,851,569,169.12/x - Step 3: Cross multiply
99,577,293,759.92x = 137,417,079,407.94 × 53,851,569,169.12 - Step 4: Simplify right side
99,577,293,759.92x = 7,400,125,356,754,861,031,424 - Step 5: Solve for x
x = 7,400,125,356,754,861,031,424/99,577,293,759.92 - Step 6: Final answer
x = 74,315,389,355.69
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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.