Finding the Fourth Proportional to 87,701,474,623.17, 121,024,903,539.30 and 49,638,864,410.31
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Solution
The fourth proportional to 87,701,474,623.17, 121,024,903,539.30 and 49,638,864,410.31 is: 68,499,860,496.88
Step by Step Solution
- Step 1: Write the proportion equation
87,701,474,623.17 : 121,024,903,539.30 = 49,638,864,410.31 : x - Step 2: Convert to fraction form
87,701,474,623.17/121,024,903,539.30 = 49,638,864,410.31/x - Step 3: Cross multiply
87,701,474,623.17x = 121,024,903,539.30 × 49,638,864,410.31 - Step 4: Simplify right side
87,701,474,623.17x = 6,007,538,777,058,159,099,904 - Step 5: Solve for x
x = 6,007,538,777,058,159,099,904/87,701,474,623.17 - Step 6: Final answer
x = 68,499,860,496.88
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1.5x scale
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.