Finding the Fourth Proportional to 54,313,400.60, 81,564,579.30 and 28,804,232.60
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Solution
The fourth proportional to 54,313,400.60, 81,564,579.30 and 28,804,232.60 is: 43,256,453.99
Step by Step Solution
- Step 1: Write the proportion equation
54,313,400.60 : 81,564,579.30 = 28,804,232.60 : x - Step 2: Convert to fraction form
54,313,400.60/81,564,579.30 = 28,804,232.60/x - Step 3: Cross multiply
54,313,400.60x = 81,564,579.30 × 28,804,232.60 - Step 4: Simplify right side
54,313,400.60x = 2,349,405,114,078,345 - Step 5: Solve for x
x = 2,349,405,114,078,345/54,313,400.60 - Step 6: Final answer
x = 43,256,453.99
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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.