Finding the Fourth Proportional to 150,980,907.24, 208,349,431.55 and 91,477,433.21
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Solution
The fourth proportional to 150,980,907.24, 208,349,431.55 and 91,477,433.21 is: 126,236,300.72
Step by Step Solution
- Step 1: Write the proportion equation
150,980,907.24 : 208,349,431.55 = 91,477,433.21 : x - Step 2: Convert to fraction form
150,980,907.24/208,349,431.55 = 91,477,433.21/x - Step 3: Cross multiply
150,980,907.24x = 208,349,431.55 × 91,477,433.21 - Step 4: Simplify right side
150,980,907.24x = 19,059,271,209,486,564 - Step 5: Solve for x
x = 19,059,271,209,486,564/150,980,907.24 - Step 6: Final answer
x = 126,236,300.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.