Finding the Fourth Proportional to 126,132,497.84, 174,029,906.40 and 73,893,451.28
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Solution
The fourth proportional to 126,132,497.84, 174,029,906.40 and 73,893,451.28 is: 101,953,664.84
Step by Step Solution
- Step 1: Write the proportion equation
126,132,497.84 : 174,029,906.40 = 73,893,451.28 : x - Step 2: Convert to fraction form
126,132,497.84/174,029,906.40 = 73,893,451.28/x - Step 3: Cross multiply
126,132,497.84x = 174,029,906.40 × 73,893,451.28 - Step 4: Simplify right side
126,132,497.84x = 12,859,670,409,831,360 - Step 5: Solve for x
x = 12,859,670,409,831,360/126,132,497.84 - Step 6: Final answer
x = 101,953,664.84
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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.