Finding the Fourth Proportional to 157,770,011.60, 236,207,119.80 and 157,770,011.60
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Solution
The fourth proportional to 157,770,011.60, 236,207,119.80 and 157,770,011.60 is: 236,207,119.80
Step by Step Solution
- Step 1: Write the proportion equation
157,770,011.60 : 236,207,119.80 = 157,770,011.60 : x - Step 2: Convert to fraction form
157,770,011.60/236,207,119.80 = 157,770,011.60/x - Step 3: Cross multiply
157,770,011.60x = 236,207,119.80 × 157,770,011.60 - Step 4: Simplify right side
157,770,011.60x = 37,266,400,030,848,592 - Step 5: Solve for x
x = 37,266,400,030,848,592/157,770,011.60 - Step 6: Final answer
x = 236,207,119.80
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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.