Finding the Fourth Proportional to 126,701,973.03, 174,848,722.80 and 68,755,221.03
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Solution
The fourth proportional to 126,701,973.03, 174,848,722.80 and 68,755,221.03 is: 94,882,205.03
Step by Step Solution
- Step 1: Write the proportion equation
126,701,973.03 : 174,848,722.80 = 68,755,221.03 : x - Step 2: Convert to fraction form
126,701,973.03/174,848,722.80 = 68,755,221.03/x - Step 3: Cross multiply
126,701,973.03x = 174,848,722.80 × 68,755,221.03 - Step 4: Simplify right side
126,701,973.03x = 12,021,762,582,927,202 - Step 5: Solve for x
x = 12,021,762,582,927,202/126,701,973.03 - Step 6: Final answer
x = 94,882,205.03
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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.