Finding the Fourth Proportional to 225,358,411.68, 338,086,114.92 and 69,909,121.44
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Solution
The fourth proportional to 225,358,411.68, 338,086,114.92 and 69,909,121.44 is: 104,878,726.69
Step by Step Solution
- Step 1: Write the proportion equation
225,358,411.68 : 338,086,114.92 = 69,909,121.44 : x - Step 2: Convert to fraction form
225,358,411.68/338,086,114.92 = 69,909,121.44/x - Step 3: Cross multiply
225,358,411.68x = 338,086,114.92 × 69,909,121.44 - Step 4: Simplify right side
225,358,411.68x = 23,635,303,265,120,076 - Step 5: Solve for x
x = 23,635,303,265,120,076/225,358,411.68 - Step 6: Final answer
x = 104,878,726.69
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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.