Finding the Fourth Proportional to 116,338,512.93, 160,547,108.68 and 64,128,420.49
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Solution
The fourth proportional to 116,338,512.93, 160,547,108.68 and 64,128,420.49 is: 88,497,198.68
Step by Step Solution
- Step 1: Write the proportion equation
116,338,512.93 : 160,547,108.68 = 64,128,420.49 : x - Step 2: Convert to fraction form
116,338,512.93/160,547,108.68 = 64,128,420.49/x - Step 3: Cross multiply
116,338,512.93x = 160,547,108.68 × 64,128,420.49 - Step 4: Simplify right side
116,338,512.93x = 10,295,632,493,323,080 - Step 5: Solve for x
x = 10,295,632,493,323,080/116,338,512.93 - Step 6: Final answer
x = 88,497,198.68
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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.