Finding the Fourth Proportional to 247,522,126.32, 341,560,537.56 and 143,106,926.58
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Solution
The fourth proportional to 247,522,126.32, 341,560,537.56 and 143,106,926.58 is: 197,475,997.39
Step by Step Solution
- Step 1: Write the proportion equation
247,522,126.32 : 341,560,537.56 = 143,106,926.58 : x - Step 2: Convert to fraction form
247,522,126.32/341,560,537.56 = 143,106,926.58/x - Step 3: Cross multiply
247,522,126.32x = 341,560,537.56 × 143,106,926.58 - Step 4: Simplify right side
247,522,126.32x = 48,879,678,771,224,256 - Step 5: Solve for x
x = 48,879,678,771,224,256/247,522,126.32 - Step 6: Final answer
x = 197,475,997.39
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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.