Finding the Fourth Proportional to 252,135,497.55, 378,203,246.33 and 154,775,506.35
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Solution
The fourth proportional to 252,135,497.55, 378,203,246.33 and 154,775,506.35 is: 232,163,259.53
Step by Step Solution
- Step 1: Write the proportion equation
252,135,497.55 : 378,203,246.33 = 154,775,506.35 : x - Step 2: Convert to fraction form
252,135,497.55/378,203,246.33 = 154,775,506.35/x - Step 3: Cross multiply
252,135,497.55x = 378,203,246.33 × 154,775,506.35 - Step 4: Simplify right side
252,135,497.55x = 58,536,598,953,165,648 - Step 5: Solve for x
x = 58,536,598,953,165,648/252,135,497.55 - Step 6: Final answer
x = 232,163,259.53
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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.