Finding the Fourth Proportional to 265,032,139.70, 397,548,209.55 and 103,474,075.70
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Solution
The fourth proportional to 265,032,139.70, 397,548,209.55 and 103,474,075.70 is: 155,211,113.55
Step by Step Solution
- Step 1: Write the proportion equation
265,032,139.70 : 397,548,209.55 = 103,474,075.70 : x - Step 2: Convert to fraction form
265,032,139.70/397,548,209.55 = 103,474,075.70/x - Step 3: Cross multiply
265,032,139.70x = 397,548,209.55 × 103,474,075.70 - Step 4: Simplify right side
265,032,139.70x = 41,135,933,529,376,168 - Step 5: Solve for x
x = 41,135,933,529,376,168/265,032,139.70 - Step 6: Final answer
x = 155,211,113.55
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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.