Finding the Fourth Proportional to 79,102,477,056.77, 109,170,776,622.13 and 46,987,966,091.75
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Solution
The fourth proportional to 79,102,477,056.77, 109,170,776,622.13 and 46,987,966,091.75 is: 64,848,952,156.70
Step by Step Solution
- Step 1: Write the proportion equation
79,102,477,056.77 : 109,170,776,622.13 = 46,987,966,091.75 : x - Step 2: Convert to fraction form
79,102,477,056.77/109,170,776,622.13 = 46,987,966,091.75/x - Step 3: Cross multiply
79,102,477,056.77x = 109,170,776,622.13 × 46,987,966,091.75 - Step 4: Simplify right side
79,102,477,056.77x = 5,129,712,750,130,985,172,992 - Step 5: Solve for x
x = 5,129,712,750,130,985,172,992/79,102,477,056.77 - Step 6: Final answer
x = 64,848,952,156.70
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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.