Finding the Fourth Proportional to 201,340,078.10, 301,786,168.35 and 110,528,839.70
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Solution
The fourth proportional to 201,340,078.10, 301,786,168.35 and 110,528,839.70 is: 165,670,319.29
Step by Step Solution
- Step 1: Write the proportion equation
201,340,078.10 : 301,786,168.35 = 110,528,839.70 : x - Step 2: Convert to fraction form
201,340,078.10/301,786,168.35 = 110,528,839.70/x - Step 3: Cross multiply
201,340,078.10x = 301,786,168.35 × 110,528,839.70 - Step 4: Simplify right side
201,340,078.10x = 33,356,075,025,234,368 - Step 5: Solve for x
x = 33,356,075,025,234,368/201,340,078.10 - Step 6: Final answer
x = 165,670,319.29
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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.