Finding the Fourth Proportional to 157,925,515.20, 236,888,272.80 and 157,925,515.20
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Solution
The fourth proportional to 157,925,515.20, 236,888,272.80 and 157,925,515.20 is: 236,888,272.80
Step by Step Solution
- Step 1: Write the proportion equation
157,925,515.20 : 236,888,272.80 = 157,925,515.20 : x - Step 2: Convert to fraction form
157,925,515.20/236,888,272.80 = 157,925,515.20/x - Step 3: Cross multiply
157,925,515.20x = 236,888,272.80 × 157,925,515.20 - Step 4: Simplify right side
157,925,515.20x = 37,410,702,526,778,144 - Step 5: Solve for x
x = 37,410,702,526,778,144/157,925,515.20 - Step 6: Final answer
x = 236,888,272.80
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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.