Finding the Fourth Proportional to 64,689,984.20, 97,006,982.70 and 26,338,752.20
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Solution
The fourth proportional to 64,689,984.20, 97,006,982.70 and 26,338,752.20 is: 39,496,730.61
Step by Step Solution
- Step 1: Write the proportion equation
64,689,984.20 : 97,006,982.70 = 26,338,752.20 : x - Step 2: Convert to fraction form
64,689,984.20/97,006,982.70 = 26,338,752.20/x - Step 3: Cross multiply
64,689,984.20x = 97,006,982.70 × 26,338,752.20 - Step 4: Simplify right side
64,689,984.20x = 2,555,042,879,004,987 - Step 5: Solve for x
x = 2,555,042,879,004,987/64,689,984.20 - Step 6: Final answer
x = 39,496,730.61
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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.