Finding the Fourth Proportional to 90,279,437.09, 135,376,474.28 and 34,973,177.99
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Solution
The fourth proportional to 90,279,437.09, 135,376,474.28 and 34,973,177.99 is: 52,443,232.73
Step by Step Solution
- Step 1: Write the proportion equation
90,279,437.09 : 135,376,474.28 = 34,973,177.99 : x - Step 2: Convert to fraction form
90,279,437.09/135,376,474.28 = 34,973,177.99/x - Step 3: Cross multiply
90,279,437.09x = 135,376,474.28 × 34,973,177.99 - Step 4: Simplify right side
90,279,437.09x = 4,734,545,529,801,349 - Step 5: Solve for x
x = 4,734,545,529,801,349/90,279,437.09 - Step 6: Final answer
x = 52,443,232.73
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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.