Finding the Fourth Proportional to 135,806,447.56, 187,412,919.60 and 73,927,249.24
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Solution
The fourth proportional to 135,806,447.56, 187,412,919.60 and 73,927,249.24 is: 102,019,615.91
Step by Step Solution
- Step 1: Write the proportion equation
135,806,447.56 : 187,412,919.60 = 73,927,249.24 : x - Step 2: Convert to fraction form
135,806,447.56/187,412,919.60 = 73,927,249.24/x - Step 3: Cross multiply
135,806,447.56x = 187,412,919.60 × 73,927,249.24 - Step 4: Simplify right side
135,806,447.56x = 13,854,921,618,065,280 - Step 5: Solve for x
x = 13,854,921,618,065,280/135,806,447.56 - Step 6: Final answer
x = 102,019,615.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.