Finding the Fourth Proportional to 82,948,313.60, 124,441,132.80 and 48,852,108.80
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Solution
The fourth proportional to 82,948,313.60, 124,441,132.80 and 48,852,108.80 is: 73,289,154.35
Step by Step Solution
- Step 1: Write the proportion equation
82,948,313.60 : 124,441,132.80 = 48,852,108.80 : x - Step 2: Convert to fraction form
82,948,313.60/124,441,132.80 = 48,852,108.80/x - Step 3: Cross multiply
82,948,313.60x = 124,441,132.80 × 48,852,108.80 - Step 4: Simplify right side
82,948,313.60x = 6,079,211,758,740,848 - Step 5: Solve for x
x = 6,079,211,758,740,848/82,948,313.60 - Step 6: Final answer
x = 73,289,154.35
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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.