Finding the Fourth Proportional to 42,438,811.46, 63,612,894.85 and 24,203,742.14
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Solution
The fourth proportional to 42,438,811.46, 63,612,894.85 and 24,203,742.14 is: 36,279,764.94
Step by Step Solution
- Step 1: Write the proportion equation
42,438,811.46 : 63,612,894.85 = 24,203,742.14 : x - Step 2: Convert to fraction form
42,438,811.46/63,612,894.85 = 24,203,742.14/x - Step 3: Cross multiply
42,438,811.46x = 63,612,894.85 × 24,203,742.14 - Step 4: Simplify right side
42,438,811.46x = 1,539,670,103,826,856.75 - Step 5: Solve for x
x = 1,539,670,103,826,856.75/42,438,811.46 - Step 6: Final answer
x = 36,279,764.94
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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.