Finding the Fourth Proportional to 79,058,056.80, 118,607,531.00 and 46,296,293.79
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Solution
The fourth proportional to 79,058,056.80, 118,607,531.00 and 46,296,293.79 is: 69,456,413.72
Step by Step Solution
- Step 1: Write the proportion equation
79,058,056.80 : 118,607,531.00 = 46,296,293.79 : x - Step 2: Convert to fraction form
79,058,056.80/118,607,531.00 = 46,296,293.79/x - Step 3: Cross multiply
79,058,056.80x = 118,607,531.00 × 46,296,293.79 - Step 4: Simplify right side
79,058,056.80x = 5,491,089,100,651,051 - Step 5: Solve for x
x = 5,491,089,100,651,051/79,058,056.80 - Step 6: Final answer
x = 69,456,413.72
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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.