Finding the Fourth Proportional to 43,135,563.20, 64,735,480.05 and 31,650,708.14
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Solution
The fourth proportional to 43,135,563.20, 64,735,480.05 and 31,650,708.14 is: 47,499,641.44
Step by Step Solution
- Step 1: Write the proportion equation
43,135,563.20 : 64,735,480.05 = 31,650,708.14 : x - Step 2: Convert to fraction form
43,135,563.20/64,735,480.05 = 31,650,708.14/x - Step 3: Cross multiply
43,135,563.20x = 64,735,480.05 × 31,650,708.14 - Step 4: Simplify right side
43,135,563.20x = 2,048,923,785,365,342.50 - Step 5: Solve for x
x = 2,048,923,785,365,342.50/43,135,563.20 - Step 6: Final answer
x = 47,499,641.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.