Finding the Fourth Proportional to 246,138,303.24, 339,775,446.33 and 153,364,648.14
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Solution
The fourth proportional to 246,138,303.24, 339,775,446.33 and 153,364,648.14 is: 211,708,381.37
Step by Step Solution
- Step 1: Write the proportion equation
246,138,303.24 : 339,775,446.33 = 153,364,648.14 : x - Step 2: Convert to fraction form
246,138,303.24/339,775,446.33 = 153,364,648.14/x - Step 3: Cross multiply
246,138,303.24x = 339,775,446.33 × 153,364,648.14 - Step 4: Simplify right side
246,138,303.24x = 52,109,541,773,011,896 - Step 5: Solve for x
x = 52,109,541,773,011,896/246,138,303.24 - Step 6: Final answer
x = 211,708,381.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.