Finding the Fourth Proportional to 166,213,078.30, 249,319,617.45 and 97,338,324.70
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Solution
The fourth proportional to 166,213,078.30, 249,319,617.45 and 97,338,324.70 is: 146,007,487.05
Step by Step Solution
- Step 1: Write the proportion equation
166,213,078.30 : 249,319,617.45 = 97,338,324.70 : x - Step 2: Convert to fraction form
166,213,078.30/249,319,617.45 = 97,338,324.70/x - Step 3: Cross multiply
166,213,078.30x = 249,319,617.45 × 97,338,324.70 - Step 4: Simplify right side
166,213,078.30x = 24,268,353,877,427,884 - Step 5: Solve for x
x = 24,268,353,877,427,884/166,213,078.30 - Step 6: Final answer
x = 146,007,487.05
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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.