Finding the Fourth Proportional to 66,180,075.98, 99,275,670.57 and 20,122,344.98
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Solution
The fourth proportional to 66,180,075.98, 99,275,670.57 and 20,122,344.98 is: 30,185,206.98
Step by Step Solution
- Step 1: Write the proportion equation
66,180,075.98 : 99,275,670.57 = 20,122,344.98 : x - Step 2: Convert to fraction form
66,180,075.98/99,275,670.57 = 20,122,344.98/x - Step 3: Cross multiply
66,180,075.98x = 99,275,670.57 × 20,122,344.98 - Step 4: Simplify right side
66,180,075.98x = 1,997,659,291,330,373.25 - Step 5: Solve for x
x = 1,997,659,291,330,373.25/66,180,075.98 - Step 6: Final answer
x = 30,185,206.98
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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.