Finding the Fourth Proportional to 54,577,165.20, 81,865,747.80 and 22,212,408.30
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Solution
The fourth proportional to 54,577,165.20, 81,865,747.80 and 22,212,408.30 is: 33,318,612.45
Step by Step Solution
- Step 1: Write the proportion equation
54,577,165.20 : 81,865,747.80 = 22,212,408.30 : x - Step 2: Convert to fraction form
54,577,165.20/81,865,747.80 = 22,212,408.30/x - Step 3: Cross multiply
54,577,165.20x = 81,865,747.80 × 22,212,408.30 - Step 4: Simplify right side
54,577,165.20x = 1,818,435,415,918,426.75 - Step 5: Solve for x
x = 1,818,435,415,918,426.75/54,577,165.20 - Step 6: Final answer
x = 33,318,612.45
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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.