Finding the Fourth Proportional to 103,849,643.07, 155,510,787.51 and 62,324,380.62
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Solution
The fourth proportional to 103,849,643.07, 155,510,787.51 and 62,324,380.62 is: 93,328,327.62
Step by Step Solution
- Step 1: Write the proportion equation
103,849,643.07 : 155,510,787.51 = 62,324,380.62 : x - Step 2: Convert to fraction form
103,849,643.07/155,510,787.51 = 62,324,380.62/x - Step 3: Cross multiply
103,849,643.07x = 155,510,787.51 × 62,324,380.62 - Step 4: Simplify right side
103,849,643.07x = 9,692,113,511,289,182 - Step 5: Solve for x
x = 9,692,113,511,289,182/103,849,643.07 - Step 6: Final answer
x = 93,328,327.62
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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.