Finding the Fourth Proportional to 126,862,349,143.05, 190,377,358,534.86 and 59,728,793,089.44
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Solution
The fourth proportional to 126,862,349,143.05, 190,377,358,534.86 and 59,728,793,089.44 is: 89,632,660,388.64
Step by Step Solution
- Step 1: Write the proportion equation
126,862,349,143.05 : 190,377,358,534.86 = 59,728,793,089.44 : x - Step 2: Convert to fraction form
126,862,349,143.05/190,377,358,534.86 = 59,728,793,089.44/x - Step 3: Cross multiply
126,862,349,143.05x = 190,377,358,534.86 × 59,728,793,089.44 - Step 4: Simplify right side
126,862,349,143.05x = 11,371,009,856,843,548,721,152 - Step 5: Solve for x
x = 11,371,009,856,843,548,721,152/126,862,349,143.05 - Step 6: Final answer
x = 89,632,660,388.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.