Finding the Fourth Proportional to 134,004,716.80, 201,007,075.20 and 43,128,305.80
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Solution
The fourth proportional to 134,004,716.80, 201,007,075.20 and 43,128,305.80 is: 64,692,458.70
Step by Step Solution
- Step 1: Write the proportion equation
134,004,716.80 : 201,007,075.20 = 43,128,305.80 : x - Step 2: Convert to fraction form
134,004,716.80/201,007,075.20 = 43,128,305.80/x - Step 3: Cross multiply
134,004,716.80x = 201,007,075.20 × 43,128,305.80 - Step 4: Simplify right side
134,004,716.80x = 8,669,094,607,189,195 - Step 5: Solve for x
x = 8,669,094,607,189,195/134,004,716.80 - Step 6: Final answer
x = 64,692,458.70
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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.