Finding the Fourth Proportional to 50,922,988.19, 76,389,947.40 and 21,779,853.99
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Solution
The fourth proportional to 50,922,988.19, 76,389,947.40 and 21,779,853.99 is: 32,672,118.42
Step by Step Solution
- Step 1: Write the proportion equation
50,922,988.19 : 76,389,947.40 = 21,779,853.99 : x - Step 2: Convert to fraction form
50,922,988.19/76,389,947.40 = 21,779,853.99/x - Step 3: Cross multiply
50,922,988.19x = 76,389,947.40 × 21,779,853.99 - Step 4: Simplify right side
50,922,988.19x = 1,663,761,900,287,213.75 - Step 5: Solve for x
x = 1,663,761,900,287,213.75/50,922,988.19 - Step 6: Final answer
x = 32,672,118.42
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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.