Finding the Fourth Proportional to 124,017,194.76, 171,142,370.62 and 68,261,423.10
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Solution
The fourth proportional to 124,017,194.76, 171,142,370.62 and 68,261,423.10 is: 94,200,016.32
Step by Step Solution
- Step 1: Write the proportion equation
124,017,194.76 : 171,142,370.62 = 68,261,423.10 : x - Step 2: Convert to fraction form
124,017,194.76/171,142,370.62 = 68,261,423.10/x - Step 3: Cross multiply
124,017,194.76x = 171,142,370.62 × 68,261,423.10 - Step 4: Simplify right side
124,017,194.76x = 11,682,421,770,887,522 - Step 5: Solve for x
x = 11,682,421,770,887,522/124,017,194.76 - Step 6: Final answer
x = 94,200,016.32
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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.