Finding the Fourth Proportional to 167,122,615.30, 230,630,043.84 and 104,435,113.90
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Solution
The fourth proportional to 167,122,615.30, 230,630,043.84 and 104,435,113.90 is: 144,120,978.80
Step by Step Solution
- Step 1: Write the proportion equation
167,122,615.30 : 230,630,043.84 = 104,435,113.90 : x - Step 2: Convert to fraction form
167,122,615.30/230,630,043.84 = 104,435,113.90/x - Step 3: Cross multiply
167,122,615.30x = 230,630,043.84 × 104,435,113.90 - Step 4: Simplify right side
167,122,615.30x = 24,085,874,897,192,396 - Step 5: Solve for x
x = 24,085,874,897,192,396/167,122,615.30 - Step 6: Final answer
x = 144,120,978.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.