Finding the Fourth Proportional to 162,957,594.18, 225,473,655.12 and 142,093,134.42
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Solution
The fourth proportional to 162,957,594.18, 225,473,655.12 and 142,093,134.42 is: 196,604,880.84
Step by Step Solution
- Step 1: Write the proportion equation
162,957,594.18 : 225,473,655.12 = 142,093,134.42 : x - Step 2: Convert to fraction form
162,957,594.18/225,473,655.12 = 142,093,134.42/x - Step 3: Cross multiply
162,957,594.18x = 225,473,655.12 × 142,093,134.42 - Step 4: Simplify right side
162,957,594.18x = 32,038,258,385,134,880 - Step 5: Solve for x
x = 32,038,258,385,134,880/162,957,594.18 - Step 6: Final answer
x = 196,604,880.84
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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.