Finding the Fourth Proportional to 283,048,521.16, 390,623,035.44 and 170,052,575.44
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Solution
The fourth proportional to 283,048,521.16, 390,623,035.44 and 170,052,575.44 is: 234,682,212.54
Step by Step Solution
- Step 1: Write the proportion equation
283,048,521.16 : 390,623,035.44 = 170,052,575.44 : x - Step 2: Convert to fraction form
283,048,521.16/390,623,035.44 = 170,052,575.44/x - Step 3: Cross multiply
283,048,521.16x = 390,623,035.44 × 170,052,575.44 - Step 4: Simplify right side
283,048,521.16x = 66,426,453,202,762,392 - Step 5: Solve for x
x = 66,426,453,202,762,392/283,048,521.16 - Step 6: Final answer
x = 234,682,212.54
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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.