Finding the Fourth Proportional to 239,314,014.66, 330,278,725.46 and 140,277,972.26
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Solution
The fourth proportional to 239,314,014.66, 330,278,725.46 and 140,277,972.26 is: 193,598,481.70
Step by Step Solution
- Step 1: Write the proportion equation
239,314,014.66 : 330,278,725.46 = 140,277,972.26 : x - Step 2: Convert to fraction form
239,314,014.66/330,278,725.46 = 140,277,972.26/x - Step 3: Cross multiply
239,314,014.66x = 330,278,725.46 × 140,277,972.26 - Step 4: Simplify right side
239,314,014.66x = 46,330,829,888,146,032 - Step 5: Solve for x
x = 46,330,829,888,146,032/239,314,014.66 - Step 6: Final answer
x = 193,598,481.70
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1.5x scale
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.