Finding the Fourth Proportional to 166,213,166.20, 249,319,749.30 and 97,338,412.60
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Solution
The fourth proportional to 166,213,166.20, 249,319,749.30 and 97,338,412.60 is: 146,007,618.90
Step by Step Solution
- Step 1: Write the proportion equation
166,213,166.20 : 249,319,749.30 = 97,338,412.60 : x - Step 2: Convert to fraction form
166,213,166.20/249,319,749.30 = 97,338,412.60/x - Step 3: Cross multiply
166,213,166.20x = 249,319,749.30 × 97,338,412.60 - Step 4: Simplify right side
166,213,166.20x = 24,268,388,626,691,960 - Step 5: Solve for x
x = 24,268,388,626,691,960/166,213,166.20 - Step 6: Final answer
x = 146,007,618.90
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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.