Finding the Fourth Proportional to 252,219,881.00, 378,439,043.70 and 135,499,051.31
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Solution
The fourth proportional to 252,219,881.00, 378,439,043.70 and 135,499,051.31 is: 203,307,253.95
Step by Step Solution
- Step 1: Write the proportion equation
252,219,881.00 : 378,439,043.70 = 135,499,051.31 : x - Step 2: Convert to fraction form
252,219,881.00/378,439,043.70 = 135,499,051.31/x - Step 3: Cross multiply
252,219,881.00x = 378,439,043.70 × 135,499,051.31 - Step 4: Simplify right side
252,219,881.00x = 51,278,131,398,248,808 - Step 5: Solve for x
x = 51,278,131,398,248,808/252,219,881.00 - Step 6: Final answer
x = 203,307,253.95
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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.