Finding the Fourth Proportional to 126,660,370,450.34, 174,794,724,596.04 and 74,520,740,636.84
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Solution
The fourth proportional to 126,660,370,450.34, 174,794,724,596.04 and 74,520,740,636.84 is: 102,840,630,340.78
Step by Step Solution
- Step 1: Write the proportion equation
126,660,370,450.34 : 174,794,724,596.04 = 74,520,740,636.84 : x - Step 2: Convert to fraction form
126,660,370,450.34/174,794,724,596.04 = 74,520,740,636.84/x - Step 3: Cross multiply
126,660,370,450.34x = 174,794,724,596.04 × 74,520,740,636.84 - Step 4: Simplify right side
126,660,370,450.34x = 13,025,832,336,309,373,370,368 - Step 5: Solve for x
x = 13,025,832,336,309,373,370,368/126,660,370,450.34 - Step 6: Final answer
x = 102,840,630,340.78
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1.5x scale
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.