Finding the Fourth Proportional to 93,861,416,780.42, 129,529,677,497.76 and 51,042,830,115.69
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Solution
The fourth proportional to 93,861,416,780.42, 129,529,677,497.76 and 51,042,830,115.69 is: 70,439,607,138.31
Step by Step Solution
- Step 1: Write the proportion equation
93,861,416,780.42 : 129,529,677,497.76 = 51,042,830,115.69 : x - Step 2: Convert to fraction form
93,861,416,780.42/129,529,677,497.76 = 51,042,830,115.69/x - Step 3: Cross multiply
93,861,416,780.42x = 129,529,677,497.76 × 51,042,830,115.69 - Step 4: Simplify right side
93,861,416,780.42x = 6,611,561,323,458,277,146,624 - Step 5: Solve for x
x = 6,611,561,323,458,277,146,624/93,861,416,780.42 - Step 6: Final answer
x = 70,439,607,138.31
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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.