Finding the Fourth Proportional to 134,544,686.40, 201,817,029.60 and 73,163,250.90
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Solution
The fourth proportional to 134,544,686.40, 201,817,029.60 and 73,163,250.90 is: 109,744,876.35
Step by Step Solution
- Step 1: Write the proportion equation
134,544,686.40 : 201,817,029.60 = 73,163,250.90 : x - Step 2: Convert to fraction form
134,544,686.40/201,817,029.60 = 73,163,250.90/x - Step 3: Cross multiply
134,544,686.40x = 201,817,029.60 × 73,163,250.90 - Step 4: Simplify right side
134,544,686.40x = 14,765,589,972,517,528 - Step 5: Solve for x
x = 14,765,589,972,517,528/134,544,686.40 - Step 6: Final answer
x = 109,744,876.35
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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.