Finding the Fourth Proportional to 73,529,947.20, 110,294,920.80 and 19,677,259.20
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Solution
The fourth proportional to 73,529,947.20, 110,294,920.80 and 19,677,259.20 is: 29,515,888.80
Step by Step Solution
- Step 1: Write the proportion equation
73,529,947.20 : 110,294,920.80 = 19,677,259.20 : x - Step 2: Convert to fraction form
73,529,947.20/110,294,920.80 = 19,677,259.20/x - Step 3: Cross multiply
73,529,947.20x = 110,294,920.80 × 19,677,259.20 - Step 4: Simplify right side
73,529,947.20x = 2,170,301,745,025,071.25 - Step 5: Solve for x
x = 2,170,301,745,025,071.25/73,529,947.20 - Step 6: Final answer
x = 29,515,888.80
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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.