Finding the Fourth Proportional to 46,365,746.40, 69,548,619.60 and 29,121,688.80
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Solution
The fourth proportional to 46,365,746.40, 69,548,619.60 and 29,121,688.80 is: 43,682,533.20
Step by Step Solution
- Step 1: Write the proportion equation
46,365,746.40 : 69,548,619.60 = 29,121,688.80 : x - Step 2: Convert to fraction form
46,365,746.40/69,548,619.60 = 29,121,688.80/x - Step 3: Cross multiply
46,365,746.40x = 69,548,619.60 × 29,121,688.80 - Step 4: Simplify right side
46,365,746.40x = 2,025,373,256,460,780.25 - Step 5: Solve for x
x = 2,025,373,256,460,780.25/46,365,746.40 - Step 6: Final answer
x = 43,682,533.20
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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.