Finding the Fourth Proportional to 68,184,247.80, 94,070,922.30 and 38,808,230.52
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Solution
The fourth proportional to 68,184,247.80, 94,070,922.30 and 38,808,230.52 is: 53,542,073.95
Step by Step Solution
- Step 1: Write the proportion equation
68,184,247.80 : 94,070,922.30 = 38,808,230.52 : x - Step 2: Convert to fraction form
68,184,247.80/94,070,922.30 = 38,808,230.52/x - Step 3: Cross multiply
68,184,247.80x = 94,070,922.30 × 38,808,230.52 - Step 4: Simplify right side
68,184,247.80x = 3,650,726,037,847,409 - Step 5: Solve for x
x = 3,650,726,037,847,409/68,184,247.80 - Step 6: Final answer
x = 53,542,073.95
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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.