Finding the Fourth Proportional to 77,201,787,529.98, 115,736,358,116.88 and 26,830,677,039.66
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Solution
The fourth proportional to 77,201,787,529.98, 115,736,358,116.88 and 26,830,677,039.66 is: 40,222,965,629.84
Step by Step Solution
- Step 1: Write the proportion equation
77,201,787,529.98 : 115,736,358,116.88 = 26,830,677,039.66 : x - Step 2: Convert to fraction form
77,201,787,529.98/115,736,358,116.88 = 26,830,677,039.66/x - Step 3: Cross multiply
77,201,787,529.98x = 115,736,358,116.88 × 26,830,677,039.66 - Step 4: Simplify right side
77,201,787,529.98x = 3,105,284,846,380,439,830,528 - Step 5: Solve for x
x = 3,105,284,846,380,439,830,528/77,201,787,529.98 - Step 6: Final answer
x = 40,222,965,629.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.