Finding the Fourth Proportional to 126,660,370,449.34, 174,794,724,594.66 and 74,520,740,635.84
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Solution
The fourth proportional to 126,660,370,449.34, 174,794,724,594.66 and 74,520,740,635.84 is: 102,840,630,339.40
Step by Step Solution
- Step 1: Write the proportion equation
126,660,370,449.34 : 174,794,724,594.66 = 74,520,740,635.84 : x - Step 2: Convert to fraction form
126,660,370,449.34/174,794,724,594.66 = 74,520,740,635.84/x - Step 3: Cross multiply
126,660,370,449.34x = 174,794,724,594.66 × 74,520,740,635.84 - Step 4: Simplify right side
126,660,370,449.34x = 13,025,832,336,031,739,805,696 - Step 5: Solve for x
x = 13,025,832,336,031,739,805,696/126,660,370,449.34 - Step 6: Final answer
x = 102,840,630,339.40
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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.