Finding the Fourth Proportional to 167,436,522.90, 251,188,309.35 and 93,765,070.80
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Solution
The fourth proportional to 167,436,522.90, 251,188,309.35 and 93,765,070.80 is: 140,666,380.32
Step by Step Solution
- Step 1: Write the proportion equation
167,436,522.90 : 251,188,309.35 = 93,765,070.80 : x - Step 2: Convert to fraction form
167,436,522.90/251,188,309.35 = 93,765,070.80/x - Step 3: Cross multiply
167,436,522.90x = 251,188,309.35 × 93,765,070.80 - Step 4: Simplify right side
167,436,522.90x = 23,552,689,610,335,052 - Step 5: Solve for x
x = 23,552,689,610,335,052/167,436,522.90 - Step 6: Final answer
x = 140,666,380.32
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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.