Finding the Fourth Proportional to 42,221,357.40, 58,263,770.84 and 24,580,767.62
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Solution
The fourth proportional to 42,221,357.40, 58,263,770.84 and 24,580,767.62 is: 33,920,468.21
Step by Step Solution
- Step 1: Write the proportion equation
42,221,357.40 : 58,263,770.84 = 24,580,767.62 : x - Step 2: Convert to fraction form
42,221,357.40/58,263,770.84 = 24,580,767.62/x - Step 3: Cross multiply
42,221,357.40x = 58,263,770.84 × 24,580,767.62 - Step 4: Simplify right side
42,221,357.40x = 1,432,168,211,268,749.50 - Step 5: Solve for x
x = 1,432,168,211,268,749.50/42,221,357.40 - Step 6: Final answer
x = 33,920,468.21
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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.