Finding the Fourth Proportional to 125,639,978,998.93, 173,382,934,911.09 and 68,547,328,170.23
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Solution
The fourth proportional to 125,639,978,998.93, 173,382,934,911.09 and 68,547,328,170.23 is: 94,595,184,058.17
Step by Step Solution
- Step 1: Write the proportion equation
125,639,978,998.93 : 173,382,934,911.09 = 68,547,328,170.23 : x - Step 2: Convert to fraction form
125,639,978,998.93/173,382,934,911.09 = 68,547,328,170.23/x - Step 3: Cross multiply
125,639,978,998.93x = 173,382,934,911.09 × 68,547,328,170.23 - Step 4: Simplify right side
125,639,978,998.93x = 11,884,936,938,468,113,645,568 - Step 5: Solve for x
x = 11,884,936,938,468,113,645,568/125,639,978,998.93 - Step 6: Final answer
x = 94,595,184,058.17
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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.