Finding the Fourth Proportional to 213,681,622, 294,880,657.80 and 120,860,132.08
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Solution
The fourth proportional to 213,681,622, 294,880,657.80 and 120,860,132.08 is: 166,786,993.27
Step by Step Solution
- Step 1: Write the proportion equation
213,681,622 : 294,880,657.80 = 120,860,132.08 : x - Step 2: Convert to fraction form
213,681,622/294,880,657.80 = 120,860,132.08/x - Step 3: Cross multiply
213,681,622x = 294,880,657.80 × 120,860,132.08 - Step 4: Simplify right side
213,681,622x = 35,639,315,249,545,284 - Step 5: Solve for x
x = 35,639,315,249,545,284/213,681,622 - Step 6: Final answer
x = 166,786,993.27
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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.