Finding the Fourth Proportional to 248,122,323.60, 372,263,201.55 and 166,333,553.70
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Solution
The fourth proportional to 248,122,323.60, 372,263,201.55 and 166,333,553.70 is: 249,553,769.80
Step by Step Solution
- Step 1: Write the proportion equation
248,122,323.60 : 372,263,201.55 = 166,333,553.70 : x - Step 2: Convert to fraction form
248,122,323.60/372,263,201.55 = 166,333,553.70/x - Step 3: Cross multiply
248,122,323.60x = 372,263,201.55 × 166,333,553.70 - Step 4: Simplify right side
248,122,323.60x = 61,919,861,225,550,848 - Step 5: Solve for x
x = 61,919,861,225,550,848/248,122,323.60 - Step 6: Final answer
x = 249,553,769.80
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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.