Finding the Fourth Proportional to 82,475,498,879.34, 113,812,518,639.15 and 48,184,385,272.14
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Solution
The fourth proportional to 82,475,498,879.34, 113,812,518,639.15 and 48,184,385,272.14 is: 66,492,307,672.18
Step by Step Solution
- Step 1: Write the proportion equation
82,475,498,879.34 : 113,812,518,639.15 = 48,184,385,272.14 : x - Step 2: Convert to fraction form
82,475,498,879.34/113,812,518,639.15 = 48,184,385,272.14/x - Step 3: Cross multiply
82,475,498,879.34x = 113,812,518,639.15 × 48,184,385,272.14 - Step 4: Simplify right side
82,475,498,879.34x = 5,483,986,246,901,417,639,936 - Step 5: Solve for x
x = 5,483,986,246,901,417,639,936/82,475,498,879.34 - Step 6: Final answer
x = 66,492,307,672.18
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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.