Finding the Fourth Proportional to 71,214,758.62, 106,699,974.54 and 47,827,661.02
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Solution
The fourth proportional to 71,214,758.62, 106,699,974.54 and 47,827,661.02 is: 71,659,446.89
Step by Step Solution
- Step 1: Write the proportion equation
71,214,758.62 : 106,699,974.54 = 47,827,661.02 : x - Step 2: Convert to fraction form
71,214,758.62/106,699,974.54 = 47,827,661.02/x - Step 3: Cross multiply
71,214,758.62x = 106,699,974.54 × 47,827,661.02 - Step 4: Simplify right side
71,214,758.62x = 5,103,210,213,141,751 - Step 5: Solve for x
x = 5,103,210,213,141,751/71,214,758.62 - Step 6: Final answer
x = 71,659,446.89
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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.