Finding the Fourth Proportional to 177,848,219.80, 266,772,329.70 and 147,615,131.80
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Solution
The fourth proportional to 177,848,219.80, 266,772,329.70 and 147,615,131.80 is: 221,422,697.70
Step by Step Solution
- Step 1: Write the proportion equation
177,848,219.80 : 266,772,329.70 = 147,615,131.80 : x - Step 2: Convert to fraction form
177,848,219.80/266,772,329.70 = 147,615,131.80/x - Step 3: Cross multiply
177,848,219.80x = 266,772,329.70 × 147,615,131.80 - Step 4: Simplify right side
177,848,219.80x = 39,379,632,609,258,552 - Step 5: Solve for x
x = 39,379,632,609,258,552/177,848,219.80 - Step 6: Final answer
x = 221,422,697.70
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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.