Finding the Fourth Proportional to 56,391,631.80, 84,492,969.30 and 48,266,489.40
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Solution
The fourth proportional to 56,391,631.80, 84,492,969.30 and 48,266,489.40 is: 72,318,868.54
Step by Step Solution
- Step 1: Write the proportion equation
56,391,631.80 : 84,492,969.30 = 48,266,489.40 : x - Step 2: Convert to fraction form
56,391,631.80/84,492,969.30 = 48,266,489.40/x - Step 3: Cross multiply
56,391,631.80x = 84,492,969.30 × 48,266,489.40 - Step 4: Simplify right side
56,391,631.80x = 4,078,179,007,092,975 - Step 5: Solve for x
x = 4,078,179,007,092,975/56,391,631.80 - Step 6: Final answer
x = 72,318,868.54
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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.