Finding the Fourth Proportional to 77,629,606,882.68, 116,138,029,207.44 and 58,797,144,829.56
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Solution
The fourth proportional to 77,629,606,882.68, 116,138,029,207.44 and 58,797,144,829.56 is: 87,963,662,289.95
Step by Step Solution
- Step 1: Write the proportion equation
77,629,606,882.68 : 116,138,029,207.44 = 58,797,144,829.56 : x - Step 2: Convert to fraction form
77,629,606,882.68/116,138,029,207.44 = 58,797,144,829.56/x - Step 3: Cross multiply
77,629,606,882.68x = 116,138,029,207.44 × 58,797,144,829.56 - Step 4: Simplify right side
77,629,606,882.68x = 6,828,584,523,529,518,579,712 - Step 5: Solve for x
x = 6,828,584,523,529,518,579,712/77,629,606,882.68 - Step 6: Final answer
x = 87,963,662,289.95
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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.