Finding the Fourth Proportional to 126,732,557.50, 174,860,941.53 and 71,728,415.62
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Solution
The fourth proportional to 126,732,557.50, 174,860,941.53 and 71,728,415.62 is: 98,968,240.97
Step by Step Solution
- Step 1: Write the proportion equation
126,732,557.50 : 174,860,941.53 = 71,728,415.62 : x - Step 2: Convert to fraction form
126,732,557.50/174,860,941.53 = 71,728,415.62/x - Step 3: Cross multiply
126,732,557.50x = 174,860,941.53 × 71,728,415.62 - Step 4: Simplify right side
126,732,557.50x = 12,542,498,289,768,360 - Step 5: Solve for x
x = 12,542,498,289,768,360/126,732,557.50 - Step 6: Final answer
x = 98,968,240.97
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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.