Finding the Fourth Proportional to 165,944,429.20, 248,916,643.80 and 44,775,686.80
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Solution
The fourth proportional to 165,944,429.20, 248,916,643.80 and 44,775,686.80 is: 67,163,530.20
Step by Step Solution
- Step 1: Write the proportion equation
165,944,429.20 : 248,916,643.80 = 44,775,686.80 : x - Step 2: Convert to fraction form
165,944,429.20/248,916,643.80 = 44,775,686.80/x - Step 3: Cross multiply
165,944,429.20x = 248,916,643.80 × 44,775,686.80 - Step 4: Simplify right side
165,944,429.20x = 11,145,413,682,095,962 - Step 5: Solve for x
x = 11,145,413,682,095,962/165,944,429.20 - Step 6: Final answer
x = 67,163,530.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.