Finding the Fourth Proportional to 42,067,155.84, 63,126,861.12 and 26,931,949.44
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Solution
The fourth proportional to 42,067,155.84, 63,126,861.12 and 26,931,949.44 is: 40,414,651.24
Step by Step Solution
- Step 1: Write the proportion equation
42,067,155.84 : 63,126,861.12 = 26,931,949.44 : x - Step 2: Convert to fraction form
42,067,155.84/63,126,861.12 = 26,931,949.44/x - Step 3: Cross multiply
42,067,155.84x = 63,126,861.12 × 26,931,949.44 - Step 4: Simplify right side
42,067,155.84x = 1,700,129,431,989,741.75 - Step 5: Solve for x
x = 1,700,129,431,989,741.75/42,067,155.84 - Step 6: Final answer
x = 40,414,651.24
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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.