Finding the Fourth Proportional to 55,641,497.99, 76,794,461.94 and 30,869,665.80
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Solution
The fourth proportional to 55,641,497.99, 76,794,461.94 and 30,869,665.80 is: 42,605,239.99
Step by Step Solution
- Step 1: Write the proportion equation
55,641,497.99 : 76,794,461.94 = 30,869,665.80 : x - Step 2: Convert to fraction form
55,641,497.99/76,794,461.94 = 30,869,665.80/x - Step 3: Cross multiply
55,641,497.99x = 76,794,461.94 × 30,869,665.80 - Step 4: Simplify right side
55,641,497.99x = 2,370,619,375,378,619.50 - Step 5: Solve for x
x = 2,370,619,375,378,619.50/55,641,497.99 - Step 6: Final answer
x = 42,605,239.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.