Finding the Fourth Proportional to 159,433,468.60, 239,150,202.90 and 44,435,759.80
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Solution
The fourth proportional to 159,433,468.60, 239,150,202.90 and 44,435,759.80 is: 66,653,639.70
Step by Step Solution
- Step 1: Write the proportion equation
159,433,468.60 : 239,150,202.90 = 44,435,759.80 : x - Step 2: Convert to fraction form
159,433,468.60/239,150,202.90 = 44,435,759.80/x - Step 3: Cross multiply
159,433,468.60x = 239,150,202.90 × 44,435,759.80 - Step 4: Simplify right side
159,433,468.60x = 10,626,820,972,185,662 - Step 5: Solve for x
x = 10,626,820,972,185,662/159,433,468.60 - Step 6: Final answer
x = 66,653,639.70
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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.