Finding the Fourth Proportional to 77,084,436.20, 106,376,023.14 and 44,054,787.56
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Solution
The fourth proportional to 77,084,436.20, 106,376,023.14 and 44,054,787.56 is: 60,795,321.75
Step by Step Solution
- Step 1: Write the proportion equation
77,084,436.20 : 106,376,023.14 = 44,054,787.56 : x - Step 2: Convert to fraction form
77,084,436.20/106,376,023.14 = 44,054,787.56/x - Step 3: Cross multiply
77,084,436.20x = 106,376,023.14 × 44,054,787.56 - Step 4: Simplify right side
77,084,436.20x = 4,686,373,100,910,344 - Step 5: Solve for x
x = 4,686,373,100,910,344/77,084,436.20 - Step 6: Final answer
x = 60,795,321.75
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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.