Finding the Fourth Proportional to 166,213,163.70, 249,319,745.55 and 97,338,410.10
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Solution
The fourth proportional to 166,213,163.70, 249,319,745.55 and 97,338,410.10 is: 146,007,615.15
Step by Step Solution
- Step 1: Write the proportion equation
166,213,163.70 : 249,319,745.55 = 97,338,410.10 : x - Step 2: Convert to fraction form
166,213,163.70/249,319,745.55 = 97,338,410.10/x - Step 3: Cross multiply
166,213,163.70x = 249,319,745.55 × 97,338,410.10 - Step 4: Simplify right side
166,213,163.70x = 24,268,387,638,373,548 - Step 5: Solve for x
x = 24,268,387,638,373,548/166,213,163.70 - Step 6: Final answer
x = 146,007,615.15
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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.