Finding the Fourth Proportional to 94,542,558.70, 130,478,761.54 and 55,417,207.98
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Solution
The fourth proportional to 94,542,558.70, 130,478,761.54 and 55,417,207.98 is: 76,481,626.53
Step by Step Solution
- Step 1: Write the proportion equation
94,542,558.70 : 130,478,761.54 = 55,417,207.98 : x - Step 2: Convert to fraction form
94,542,558.70/130,478,761.54 = 55,417,207.98/x - Step 3: Cross multiply
94,542,558.70x = 130,478,761.54 × 55,417,207.98 - Step 4: Simplify right side
94,542,558.70x = 7,230,768,665,235,005 - Step 5: Solve for x
x = 7,230,768,665,235,005/94,542,558.70 - Step 6: Final answer
x = 76,481,626.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.