Finding the Fourth Proportional to 168,454,462.24, 251,952,241.20 and 99,202,188.72
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Solution
The fourth proportional to 168,454,462.24, 251,952,241.20 and 99,202,188.72 is: 148,373,711.49
Step by Step Solution
- Step 1: Write the proportion equation
168,454,462.24 : 251,952,241.20 = 99,202,188.72 : x - Step 2: Convert to fraction form
168,454,462.24/251,952,241.20 = 99,202,188.72/x - Step 3: Cross multiply
168,454,462.24x = 251,952,241.20 × 99,202,188.72 - Step 4: Simplify right side
168,454,462.24x = 24,994,213,779,949,356 - Step 5: Solve for x
x = 24,994,213,779,949,356/168,454,462.24 - Step 6: Final answer
x = 148,373,711.49
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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.