Finding the Fourth Proportional to 73,443,610.20, 110,165,415.30 and 44,218,291.80
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Solution
The fourth proportional to 73,443,610.20, 110,165,415.30 and 44,218,291.80 is: 66,327,437.70
Step by Step Solution
- Step 1: Write the proportion equation
73,443,610.20 : 110,165,415.30 = 44,218,291.80 : x - Step 2: Convert to fraction form
73,443,610.20/110,165,415.30 = 44,218,291.80/x - Step 3: Cross multiply
73,443,610.20x = 110,165,415.30 × 44,218,291.80 - Step 4: Simplify right side
73,443,610.20x = 4,871,326,480,003,584 - Step 5: Solve for x
x = 4,871,326,480,003,584/73,443,610.20 - Step 6: Final answer
x = 66,327,437.70
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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.