Finding the Fourth Proportional to 68,161,800.80, 102,129,327.12 and 47,924,605.28
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Solution
The fourth proportional to 68,161,800.80, 102,129,327.12 and 47,924,605.28 is: 71,807,194.53
Step by Step Solution
- Step 1: Write the proportion equation
68,161,800.80 : 102,129,327.12 = 47,924,605.28 : x - Step 2: Convert to fraction form
68,161,800.80/102,129,327.12 = 47,924,605.28/x - Step 3: Cross multiply
68,161,800.80x = 102,129,327.12 × 47,924,605.28 - Step 4: Simplify right side
68,161,800.80x = 4,894,507,689,738,000 - Step 5: Solve for x
x = 4,894,507,689,738,000/68,161,800.80 - Step 6: Final answer
x = 71,807,194.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.