Finding the Fourth Proportional to 125,914,913,221.04, 173,762,158,386.84 and 68,822,190,648.08
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Solution
The fourth proportional to 125,914,913,221.04, 173,762,158,386.84 and 68,822,190,648.08 is: 94,974,392,516.38
Step by Step Solution
- Step 1: Write the proportion equation
125,914,913,221.04 : 173,762,158,386.84 = 68,822,190,648.08 : x - Step 2: Convert to fraction form
125,914,913,221.04/173,762,158,386.84 = 68,822,190,648.08/x - Step 3: Cross multiply
125,914,913,221.04x = 173,762,158,386.84 × 68,822,190,648.08 - Step 4: Simplify right side
125,914,913,221.04x = 11,958,692,391,920,976,527,360 - Step 5: Solve for x
x = 11,958,692,391,920,976,527,360/125,914,913,221.04 - Step 6: Final answer
x = 94,974,392,516.38
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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.