Finding the Fourth Proportional to 101,192,475,358.88, 139,645,629,231.76 and 56,085,114,319.84
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Solution
The fourth proportional to 101,192,475,358.88, 139,645,629,231.76 and 56,085,114,319.84 is: 77,397,465,097.61
Step by Step Solution
- Step 1: Write the proportion equation
101,192,475,358.88 : 139,645,629,231.76 = 56,085,114,319.84 : x - Step 2: Convert to fraction form
101,192,475,358.88/139,645,629,231.76 = 56,085,114,319.84/x - Step 3: Cross multiply
101,192,475,358.88x = 139,645,629,231.76 × 56,085,114,319.84 - Step 4: Simplify right side
101,192,475,358.88x = 7,832,041,079,729,250,369,536 - Step 5: Solve for x
x = 7,832,041,079,729,250,369,536/101,192,475,358.88 - Step 6: Final answer
x = 77,397,465,097.61
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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.