Finding the Fourth Proportional to 82,948,142.10, 124,440,875.55 and 48,851,937.30
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Solution
The fourth proportional to 82,948,142.10, 124,440,875.55 and 48,851,937.30 is: 73,288,897.09
Step by Step Solution
- Step 1: Write the proportion equation
82,948,142.10 : 124,440,875.55 = 48,851,937.30 : x - Step 2: Convert to fraction form
82,948,142.10/124,440,875.55 = 48,851,937.30/x - Step 3: Cross multiply
82,948,142.10x = 124,440,875.55 × 48,851,937.30 - Step 4: Simplify right side
82,948,142.10x = 6,079,177,849,925,702 - Step 5: Solve for x
x = 6,079,177,849,925,702/82,948,142.10 - Step 6: Final answer
x = 73,288,897.09
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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.