Finding the Fourth Proportional to 73,776,273.20, 110,664,409.80 and 48,295,876.40
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Solution
The fourth proportional to 73,776,273.20, 110,664,409.80 and 48,295,876.40 is: 72,443,814.60
Step by Step Solution
- Step 1: Write the proportion equation
73,776,273.20 : 110,664,409.80 = 48,295,876.40 : x - Step 2: Convert to fraction form
73,776,273.20/110,664,409.80 = 48,295,876.40/x - Step 3: Cross multiply
73,776,273.20x = 110,664,409.80 × 48,295,876.40 - Step 4: Simplify right side
73,776,273.20x = 5,344,634,657,579,748 - Step 5: Solve for x
x = 5,344,634,657,579,748/73,776,273.20 - Step 6: Final answer
x = 72,443,814.60
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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.