Finding the Fourth Proportional to 87,631,181.46, 120,297,771.98 and 75,219,727.53
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Solution
The fourth proportional to 87,631,181.46, 120,297,771.98 and 75,219,727.53 is: 103,259,655.75
Step by Step Solution
- Step 1: Write the proportion equation
87,631,181.46 : 120,297,771.98 = 75,219,727.53 : x - Step 2: Convert to fraction form
87,631,181.46/120,297,771.98 = 75,219,727.53/x - Step 3: Cross multiply
87,631,181.46x = 120,297,771.98 × 75,219,727.53 - Step 4: Simplify right side
87,631,181.46x = 9,048,765,630,425,570 - Step 5: Solve for x
x = 9,048,765,630,425,570/87,631,181.46 - Step 6: Final answer
x = 103,259,655.75
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.