Finding the Fourth Proportional to 188,689,619.40, 283,193,861.40 and 73,756,645.80
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Solution
The fourth proportional to 188,689,619.40, 283,193,861.40 and 73,756,645.80 is: 110,697,288.99
Step by Step Solution
- Step 1: Write the proportion equation
188,689,619.40 : 283,193,861.40 = 73,756,645.80 : x - Step 2: Convert to fraction form
188,689,619.40/283,193,861.40 = 73,756,645.80/x - Step 3: Cross multiply
188,689,619.40x = 283,193,861.40 × 73,756,645.80 - Step 4: Simplify right side
188,689,619.40x = 20,887,429,328,014,088 - Step 5: Solve for x
x = 20,887,429,328,014,088/188,689,619.40 - Step 6: Final answer
x = 110,697,288.99
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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.