Finding the Fourth Proportional to 166,213,122.30, 249,319,683.45 and 97,338,368.70
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Solution
The fourth proportional to 166,213,122.30, 249,319,683.45 and 97,338,368.70 is: 146,007,553.05
Step by Step Solution
- Step 1: Write the proportion equation
166,213,122.30 : 249,319,683.45 = 97,338,368.70 : x - Step 2: Convert to fraction form
166,213,122.30/249,319,683.45 = 97,338,368.70/x - Step 3: Cross multiply
166,213,122.30x = 249,319,683.45 × 97,338,368.70 - Step 4: Simplify right side
166,213,122.30x = 24,268,371,271,823,388 - Step 5: Solve for x
x = 24,268,371,271,823,388/166,213,122.30 - Step 6: Final answer
x = 146,007,553.05
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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.