Finding the Fourth Proportional to 116,567,793.12, 160,860,352.68 and 64,355,880
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Solution
The fourth proportional to 116,567,793.12, 160,860,352.68 and 64,355,880 is: 88,809,346.71
Step by Step Solution
- Step 1: Write the proportion equation
116,567,793.12 : 160,860,352.68 = 64,355,880 : x - Step 2: Convert to fraction form
116,567,793.12/160,860,352.68 = 64,355,880/x - Step 3: Cross multiply
116,567,793.12x = 160,860,352.68 × 64,355,880 - Step 4: Simplify right side
116,567,793.12x = 10,352,309,553,831,758 - Step 5: Solve for x
x = 10,352,309,553,831,758/116,567,793.12 - Step 6: Final answer
x = 88,809,346.71
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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.