Finding the Fourth Proportional to 159,634,128.90, 239,451,193.35 and 159,634,128.90
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Solution
The fourth proportional to 159,634,128.90, 239,451,193.35 and 159,634,128.90 is: 239,451,193.35
Step by Step Solution
- Step 1: Write the proportion equation
159,634,128.90 : 239,451,193.35 = 159,634,128.90 : x - Step 2: Convert to fraction form
159,634,128.90/239,451,193.35 = 159,634,128.90/x - Step 3: Cross multiply
159,634,128.90x = 239,451,193.35 × 159,634,128.90 - Step 4: Simplify right side
159,634,128.90x = 38,224,582,664,492,720 - Step 5: Solve for x
x = 38,224,582,664,492,720/159,634,128.90 - Step 6: Final answer
x = 239,451,193.35
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1.5x scale
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.