Finding the Fourth Proportional to 66,447,684.70, 99,690,189.45 and 32,370,142.30
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Solution
The fourth proportional to 66,447,684.70, 99,690,189.45 and 32,370,142.30 is: 48,564,304.88
Step by Step Solution
- Step 1: Write the proportion equation
66,447,684.70 : 99,690,189.45 = 32,370,142.30 : x - Step 2: Convert to fraction form
66,447,684.70/99,690,189.45 = 32,370,142.30/x - Step 3: Cross multiply
66,447,684.70x = 99,690,189.45 × 32,370,142.30 - Step 4: Simplify right side
66,447,684.70x = 3,226,985,618,410,459 - Step 5: Solve for x
x = 3,226,985,618,410,459/66,447,684.70 - Step 6: Final answer
x = 48,564,304.88
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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.